PickSmartly Review

Best Hecfu Mailbox Locks in 2026

9.9 PM Score
Products Evaluated
133
Reviews Analyzed
39,031
Brands Ranked
10
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Securing your incoming mail is a critical step in home privacy and identity protection. Mailbox locks, particularly those within the specialized hecfu lineup, are designed to provide a physical barrier against mail theft and unauthorized access. Whether you are upgrading an existing metal mailbox or installing a new locking mechanism on a residential parcel box, choosing the right lock requires more than just finding a key that turns. You need to consider material durability, the specific dimensions of your mailbox door, and the ease of installation to ensure your sensitive documents remain untouched until you retrieve them.

Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox, Black,Large

Mail Boss Curbside Locking Security Mailbox

4.8 (9,561 ratings)
MAIL BOSS 7506 21.00 X 10.75 X 11.25 Inches 22.00 Pounds

Reviews for MAIL BOSS (PM Score)

9.9 PM Score
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  • USPS Approved full-service residential locking security mailbox prevents mail-identity theft. Stainless steel hinges for ease of use
  • QUALITY: 14- and 16-gauge galvanized welded steel construction defends against vandalism. Mailbox Style: T1
  • SECURITY: Innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing. Does not include or require Mounting Plate
  • PATENTED: Includes patented Anti-Pry latch lock mechanism to prevent leveraged entry with a screwdriver & high security anti-drill, anti-pick 12-disc wafer lock
  • ACCESSORIES: Includes concealed outgoing mail clip, 3 keys, and required installation hardware
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You might wonder if a curbside mailbox can actually provide real peace of mind, but the Mail Boss 7506 is built to prove the skeptics wrong. Instead of a flimsy tin box, this is a heavy-duty fortress made from 14- and 16-gauge galvanized welded steel designed to withstand vandalism. What really sets it apart is the innovative baffle door system. It allows you to drop in small parcels and checks without giving thieves a way to fish your mail out. The security is serious, too, featuring a patented anti-pry latch and a 12-disc wafer lock that resists drilling and picking. It is a robust, USPS-approved solution for anyone tired of worrying about identity theft or stolen packages sitting at the end of the driveway.

What We Like
Galvanized welded steel
Anti-pry latch mechanism
Baffle door design
Anti-drill wafer lock
Stainless steel hinges

Architectural Mailboxes 6300B-10 Oasis 360 Locking Parcel Mailbox, Extra Large, Black

Architectural Mailboxes Oasis 360 Locking Parcel Mailbox

4.7 (2,167 ratings)
ARCHITECTURAL MAILBOXES 6300B-10 20.00 X 11.30 X 11.50 Inches 15.80 Pounds
  • USPS Approved Oasis 360 Locking Mailbox is 11.3 in. W x 11.5 in. H x 20 in. D
  • Accepts parcels 9.5 in. W x 12.6 in. L x 1.5 in. H to 9.5 in. W x 3.5 in. L x 2.5 in. H
  • Dual door locking parcel mailbox, two doors for easy access
  • Galvanized steel construction that is fully powder coated inside and out for added corrosion resistance
  • Predrilled 4 in. x 10 in. mounting holes in floor allows for easy installation. Hardware and mounting bracket may be required to mount to posts not manufactured by Architectural Mailboxes (not included)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Oasis 360 stands as a premier choice for homeowners tired of porch piracy and overflowing mail slots. This extra-large unit solves the modern delivery dilemma by offering a secure, USPS-approved space specifically designed for parcels. I was particularly impressed by the dual-door locking system, which makes retrieving packages incredibly convenient without fumbling with awkward angles. Built from galvanized steel and finished with a full powder coating inside and out, it feels rugged enough to withstand the elements. The predrilled mounting holes make the initial setup straightforward, though you should keep in mind that specialized hardware might be necessary if you aren't using a branded post. It is a heavy-duty, practical upgrade for anyone prioritizing package security.

What We Like
Dual door locking
Galvanized steel construction
Powder coated finish
USPS approved
Extra large capacity

Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox with High Security Reinforced Lock,Black,18.00 x 15.00 x 11.50 inches

Architectural Mailboxes Oasis Classic Locking Parcel Mailbox

4.7 (2,074 ratings)
ARCHITECTURAL MAILBOXES 6200B-10 18.00 X 11.50 X 14.00 Inches 5.91 Pounds
  • Postmaster General approved and patented design allows delivery of mail bundles and small parcels - perfect for Internet and catalog shoppers
  • Body constructed of heavy 16 and 18 gauge galvanized steel fully powder coated prior to assembly for durability and long life
  • Doors include rubber seals to keep deliveries clean and dry - all hardware made from stainless steel and other corrosion resistant materials
  • Suitable for installation into a pilaster or column - the entire outer shroud is one piece to resist moisture and the elements
  • 18-Inch d x 14-Inch h x 11.5-Inch w, 23-Pound - Use Adapter Plate 7530-10 for 4x4 wood post installation
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Frequent online shoppers who are tired of porch piracy need the Oasis Classic to secure their deliveries. This isn't just a standard mailbox. It is a heavy-duty vault for your packages, built from thick 16 and 18 gauge galvanized steel. I was particularly impressed by the thoughtful weatherproofing, specifically the rubber seals on the doors that ensure your catalogs and small parcels stay bone-dry during heavy rain. The powder-coated finish and stainless steel hardware mean you won't be replacing a rusted hunk of metal in two years. Because the outer shroud is a single piece, it integrates beautifully into columns or pilasters while providing a seamless shield against the elements. It’s a substantial, 23-pound piece of hardware that feels genuinely permanent.

What We Like
Heavy galvanized steel
Weatherproof rubber seals
High security lock
Corrosion resistant hardware
Postmaster General approved

KYODOLED Key Lock Mail Boxes Outdoor,Locking Wall Mount Mailbox,Security Key Drop Box,12.4Hx 8.54Lx 3.35W Inches,Black Large

KYODOLED Secure Wall Mount Mailbox in Black

4.5 (2,149 ratings)
KYODOLED 3.35 X 8.46 X 12.60 Inches

Reviews for KYODOLED (PM Score)

9.7 PM Score
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  • HIGH-QUALITY, DURABLE: Mailboxes for Outside are made of strong steel and painted to effectively prevent rust, scratch-resistant ,this product will provide long-term durability and use for years .
  • SECURE DESIGN: The lockable wall mount mailbox is made of a strong metal with two keys, and it gives faster and more immediate access.
  • LARGE CAPACITY: Mail box fits hold multiple letters, newspapers, emails, etc., and also can accommodate letters from the family for a period of time. Size:12.4"x 8.54"x 3.35"
  • EASY INSTALLATION: Mail Drop Box has pre-drilled holes, mounting screws and simple 3 steps installation instructions. You can install it according to the instructions. It is simple and quick.
  • MODERN & STYLISH LOOK: Mail box with elegant and modern design , which is prefect to decorate the exterior of the house.Metal Wall-mounted Mail box with transparent cover,You don't have to open mailbox to see if there's a letter inside.Also, it is environmentally friendly paint, so it isn't harmful to the body.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GTlight 9.91 Yes Yes Yes

The sleek, matte black finish of this KYODOLED mailbox immediately elevates a home's exterior with its modern, minimalist aesthetic. Beyond its stylish look, the construction feels incredibly solid thanks to the heavy-duty steel and scratch-resistant paint designed to withstand the elements without rusting. I particularly like the transparent cover, which is a clever touch that lets you glance inside to check for mail without having to fumble with the keys every single time. It offers a generous amount of space for letters, newspapers, and even larger envelopes, making it perfect for families. Installation is a breeze since the unit comes with pre-drilled holes and all the necessary mounting hardware, getting it onto your wall in just a few quick steps.

What We Like
Durable steel construction
Transparent viewing cover
Rust-resistant finish
Large storage capacity
Easy wall installation

Mail Boss 7172 Townhouse Locking Security Wall Mount Mailbox, Black, Pack of 1

Mail Boss Townhouse Locking Security Wall Mount Mailbox

4.7 (433 ratings)
MAIL BOSS 7172 15.75 X 7.12 X 15.00 Inches 21.00 Pounds

Reviews for MAIL BOSS (PM Score)

9.7 PM Score
Buy on Amazon
  • Large capacity secure wall mount locking mailbox made of 14- and 16-gauge electrogalvanized steel for strength and durability
  • Patented anti-pry latch locking mechanism and 12-wafer disc lock to prevent leveraged entry. Includes vandal resistant flag
  • Patented Fast-Trak Mounting Plate for easy installation on existing posts in minutes
  • Stainless steel hinges and powder-coated finish for optimum weather resistance
  • Includes 3 keys, reflective house numbers, 4 lag bolts and drill bit for installation. Locking access door with commercial grade high security wafer lock.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners living in high-traffic townhouse communities or areas prone to mail theft need the Mail Boss 7172 to finally stop worrying about their sensitive documents. This isn't some flimsy plastic box you find at a big-box retailer. It is a heavy-duty fortress constructed from 14- and 16-gauge electrogalvanized steel. I was particularly impressed by the patented anti-pry latch and the high-security 12-wafer disc lock, which specifically target the most common methods of forced entry. Installation is surprisingly painless thanks to the Fast-Trak Mounting Plate, allowing you to secure it to existing posts in just minutes. Between the stainless steel hinges and the rugged powder-coated finish, this mailbox is clearly built to withstand both determined thieves and harsh weather conditions without breaking a sweat.

What We Like
Anti-pry latch mechanism
12-wafer disc lock
Electrogalvanized steel construction
Fast-Trak mounting plate
Weather-resistant powder coating

Gibraltar Mailboxes DVKPBZ00 Designer locking mailbox, Bronze w/Satin Nickel, 9.7 x 4.4 x 12.6 inches

Gibraltar Mailboxes Designer Locking Mailbox in Venetian Bronze

4.5 (7,892 ratings)
GIBRALTAR MAILBOXES DVKPBZ00 4.42 X 9.70 X 12.57 Inches
  • Medium capacity is able to hold days worth of mail at a time
  • Crafted with quality galvanized steel for strength and durability
  • Powder-coated in an elegant venetian bronze finish to withstand outdoor elements
  • Optional decorative 'Mail' emblem included
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners tired of flimsy, plastic mail receptacles need the Gibraltar Designer locking mailbox to upgrade their curb appeal instantly. This isn't just a utility item. The elegant Venetian bronze finish paired with satin nickel accents makes it feel like a deliberate piece of home decor. I was particularly impressed by the heavy-duty construction, as the galvanized steel provides a level of ruggedness you don't see in cheaper alternatives. It handles the outdoor elements beautifully thanks to the powder-coated exterior, and the medium capacity is a lifesaver if you're away for a few days and don't want a mountain of envelopes piling up. Plus, the included decorative 'Mail' emblem allows you to customize the look to your exact preference.

What We Like
Durable galvanized steel
Weather-resistant powder coating
Elegant bronze finish
Locking security feature
Medium mail capacity
#7

Prime-Line S 4140 Mailbox Lock – Replacement, Multipurpose Mailbox Lock for Several Brands – ILCO 1003M Keyway, Opens Counter-Clockwise with 90º Rotat...

Prime-Line Multipurpose Replacement Mailbox Lock

4.4 (3,569 ratings)
PRIME-LINE S 4140 1.25 X 3.81 X 4.88 Inches 0.22 Pounds

Reviews for PRIME-LINE (PM Score)

9.6 PM Score
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  • REPLACEMENT LOCK – This multipurpose Prime-Line replacement mailbox lock is an easy fix and can easily replace lost or broken mailbox locks. This is a 5-pin tumbler lock.
  • WORKS FOR SEVERAL BRANDS – This replacement mailbox lock works for several brands of mailboxes, including: American Device, Auth-Florence, Bommer, and Miami Carey.
  • INCLUDES – Replacement lock kit includes a total of 5 zinc-plated steel cams, brass pins, a spring steel locking clip and 2 keys.
  • LOCKING SECURITY FEATURE – This lock has a security feature that prevents the key from being removed when in the unlocked position, which prevents forgetting the key, and ensuring the mailbox is locked every time it’s used.
  • DURABLE, STRONG CONSTRUCTION – Made of diecast with a nickel-plated face, this replacement lock is strong and durable, sure to last the test of time.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

The Prime-Line S 4140 Mailbox Lock is a heavy-duty security upgrade that solves the headache of a broken or lost keyway. I found the diecast construction and nickel-plated face to be impressively sturdy, feeling much more substantial than the flimsy plastic alternatives often seen in hardware stores. It is a versatile 5-pin tumbler system that plays well with major brands like Bommer and Miami Carey, making it a reliable universal fix. One clever detail is the security feature that prevents you from pulling the key out while the mailbox is unlocked, which is a lifesaver for anyone prone to leaving their mail vulnerable. With the included zinc-plated steel cams and two keys, you have a complete, ready-to-install kit that actually feels built to last.

What We Like
Durable diecast construction
Nickel-plated finish
5-pin tumbler lock
Key retention security
Universal brand compatibility
#8

Combi-Cam 7850R-S Combination Cam Lock, 5/8" Chrome Finish

FJM Security Combi-Cam Keyless Combination Cam Lock

4.4 (1,542 ratings)
FJM SECURITY PRODUCTS 7850R-S 3.10 X 1.30 X 1.20 Inches 0.35 pounds
  • KEYLESS SECURITY LOCKS - Security doesn't have to included managing keys or replacing locks. The Combi-Cam solid metal combination cam lock is 100% keyless, secure and long-lasting. With 1,000 possible combinations, this lock is perfect for keeping your belongings safe. Combi-Cam 3-dial cabinet lock hardware comes with a 3/4" straight cam, 1-1/2" straight cam, 90 degree stop cam, 1-1/2" offset cam, and 3/4" wood prong washer..Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
  • VERSATILE, DURABLE, & RUST RESISTANT - Keep your belongings safe and sound with our Combi-cam lock. These cabinet locks are outfitted with 3 pick-proof chrome plated dials and constructed out of sturdy zinc alloy – to assure that the combo lock won't rust or wear out over time. Use this combination lock as a file cabinet lock, drawer lock, mailbox lock, storage cabinet lock, gun safe lock, liquor cabinet lock, office cabinet lock and much more. Available in size S, M, L, and XL.
  • EASY TO INSTALL & RESET - Combi-Cam locks are a breeze to install. With no screws or bolts needed, this lock can be attached in seconds to any door, drawer, or cabinet with a material thickness of up to 7/8" (varies by size of the lock you purchase). Plus, unlike other locks, the Combi-Cam does not require expensive kits or disc replacements. To change the combination, simply have your lock on the opening code and push the reset button while changing to the desired combination.
  • SPECS & OPTIONS - The small cam lock has 5/8” cylinder length, designed to fit a material thickness of 3/8”. Medium 7/8” cylinder length and fits 5/8” material thickness. Large 1-1/8” cylinder length and fits 7/8” material thickness, XL 1-3/8” cylinder length and fits 1-1/8”material thickness. This 3-Dial combination cabinet cam lock can retrofit any standard cam lock, and has the ability to be programmed in a non-resettable mode for extra security. *Sizes sold separately*
  • FJM SECURITY - The Original Combi-Cam was designed by FJM Security Products to provide maximum security while being versatile, convenient, and easy to use for all applications. All of our top-quality Combination Cam Locks are time-tested and made using solid metal with up to 10,000 possible combinations that are easy to change with no expensive rekeying kits required so you get years of reliability with each purchase.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Gate Openers and more 9.50 No No No

Most people assume that high-level security requires the constant headache of managing a growing ring of metal keys. The FJM Security Combi-Cam completely upends that logic by offering a 100% keyless experience through three pick-proof chrome dials. During testing, the solid zinc alloy construction felt remarkably sturdy, and the chrome finish held up well against the typical wear of daily use. What really sets this apart is the sheer versatility of the included hardware. You get everything from straight cams to 90-degree stops and wood prong washers, making it easy to retrofit onto a file cabinet, mailbox, or liquor cabinet. Setting a new code is a breeze with the built-in reset button, and the ability to lock it into a non-resettable mode provides that extra layer of peace of mind for sensitive storage.

What We Like
Keyless three-dial design
Durable zinc alloy
Pick-proof chrome dials
Easy combination resetting
Versatile cam options
#9

Replacement Tenant Mail Box Lock for 1570"F" Series CBU & 4C Mail Units by AF Florence

Replacement Tenant Mail Box Lock for AF Florence Units

4.6 (175 ratings)
21ST CENTURY BUILDING SPECIALTIES FBA_L-100
  • This lock is USPS approved and is used by the factory on new units
  • Note: Mail unit brand (e;g;, "AF Florence"") is usually noted on nameplate attached to mail unit
  • International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
  • Note: Mail unit brand (e;g;, "AF Florence"") is usually noted on nameplate attached to mail unit
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
J&H Discount Sales 9.08 Yes Yes Yes

You might hesitate to spend nearly thirty dollars on a single replacement lock, wondering if a generic alternative could do the job just as well. However, when it comes to mail security, skipping the official hardware is a gamble you don't want to take. This 21st Century Building Specialties lock is specifically designed for the 1570 F Series CBU and 4C mail units, ensuring a perfect fit that generic parts often lack. Because it is USPS approved and used by the factory on brand-new units, you get the peace of mind that comes with professional-grade reliability. Just be sure to check your unit's nameplate to confirm it matches the AF Florence specifications before ordering to ensure a seamless installation.

What We Like
USPS approved
Factory standard hardware
CBU and 4C compatible
Secure tenant access

Defender Security U 9941 (Keyed Different) Drawer and Cabinet Lock – Secure Important Files and Drawers, 5/8 In., Diecast, Fits on 5/16 In. Max Panel...

Defender Security Diecast Cabinet and Drawer Lock

DEFENDER SECURITY U 9941 1.13 X 3.81 X 5.44 Inches 0.20 Pounds
  • SECURE CABINET DOORS AND DRAWERS – This U 9941 lock can be used to secure cabinet doors, drawers and much more.
  • DURABLE CONSTRUCTION – This drawer and cabinet lock is constructed of diecast and steel components with a stainless steel finish. It’s durable and strong, perfect for keeping your small items safe.
  • COMES COMPLETE - This drawer and cabinet lock comes complete with 3 cams, a trim collar, 2 reversible rotation washers, 2 keys and fasteners. Keyed Different, Yale Y-11 keyway.
  • EASY INSTALLATION  - Installation is quick and easy – additional security for your small items and drawers are within reach! It can be mounted to metal or wood, door and/or drawer panels.
  • PRODUCT INFO - This lock features a 3/4 inch outside cylinder diameter with a 5/8 inch length that will accommodate up to 5/16 inch thick panels.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your home office desk holds sensitive documents that shouldn't be left vulnerable to curious hands or wandering toddlers. This Defender Security lock provides a quick, reliable way to add a layer of privacy to your wooden or metal drawers without a massive overhaul. I found the kit incredibly comprehensive, coming with three different cams and reversible washers, which means you aren't left scrambling for extra hardware mid-installation. The diecast construction paired with a stainless steel finish gives it a sturdy, professional feel that doesn't look out of place on modern furniture. Since it fits panels up to 5/16 inch thick, it’s an ideal solution for securing small, high-value items in standard office or household cabinetry.

What We Like
Durable diecast construction
Stainless steel finish
Complete installation kit
Fits 5/16 inch panels
Mounts to wood or metal
#11

Westway Locks 7/8" Disc Tumbler Cam Lock – Premium Lock with 2 Keys, 1 1/4" Cam and Offset Cam Lock - Cabinet Lock, Drawer Lock, RV Compartment Lock,...

Westway Locks Disc Tumbler Cam Lock Set

4.5 (510 ratings)
WESTWAY 8700A2C 2.00 X 2.00 X 0.50 Inches

Reviews for WESTWAY (PM Score)

9.5 PM Score
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  • Fits Up to 5/8" Material Thickness: Westway Locks tumbler lock has a cylinder length of 7/8" with a standard-sized cam lock of 3/4" diameter. It can easily fit material up to 5/8" thickness, making it an ideal replacement for your old cabinet lock or drawer lock. Check the diagram for a more detailed picture to understand your needs.
  • Non-Key Retaining Function: Westway Locks Tumbler lock set contains a reversible stop cam with a non-key retaining function. This means you can remove the key, whether it is in a locked or unlocked position. That's hassle-free usage for our customers!
  • Easy Installation: Our cylinder lock for the storage unit can be installed in multiple positions. The cam can be installed on the lock at 3, 6, 9, or 12 o'clock positions and opens with a 90-degree turn. Plus, the lock for cabinet doors is keyed alike at 644 with 2 keys per lock. Each key will fit with each lock that you purchase.
  • Package Includes: (1) 7/8" lock with two keys, steel cylinder nut, stop cam, 1 1/4" cam (latching part), offset cam, and cam nut. They are constructed of zinc alloy and are chrome plated, allowing them to be sturdy and high-quality locks for your personal items protection.
  • Satisfaction Guaranteed: At Westway Locks, we know how valuable locks are to keep valuables safe and secure. That's why we strive to design top-tier quality products that our customers will be 100% satisfied with. Feel free to leave us a message in case of any queries, and we'll be happy to assist you.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Westway Sales 7.10 Yes Yes Yes

The cool, chrome-plated finish of this zinc alloy cylinder immediately feels substantial in your hand, signaling a level of durability you don't always find in replacement hardware. I found the installation process incredibly flexible because you can mount the cam at almost any orientation—3, 6, 9, or 12 o'clock—to fit your specific cabinet or RV compartment setup. One of the best practical touches is the non-key retaining function. You can pull the key out whether the drawer is locked or unlocked, which prevents that annoying situation where you're stuck with a key dangling in the cylinder. Since it accommodates material up to 5/8" thick, it's a seamless swap for aging office or home storage locks. Plus, getting two keyed-alike keys in the box makes managing multiple units a breeze.

What We Like
Chrome plated zinc
Non-key retaining function
Versatile cam positions
Keyed alike set
Fits 5/8" material

6 Pack Premium Cabinet Cam Locks, Keyed Alike 5/8 Inch Cam Lock Set, Secure Files Drawers Mailbox RV Camper Door Tool Box, Zinc Alloy

inBovoga Premium Zinc Alloy Cabinet Cam Lock Set

4.5 (448 ratings)
INBOVOGA 0.62 X 0.70 X 0.70 Inches

Reviews for INBOVOGA (PM Score)

9.5 PM Score
Buy on Amazon
  • [What You Get] 6 Pack cam locks and upgraded thickened lock cylinders, 12 keys to open all locks, keys can be used for each other, 2 different lock plates (6 pcs standard& 6 pcs for free ).
  • [Cam Lock Size] Different lengths of cam locks are suitable for different thicknesses of door panels. Before purchasing, please check the size introduction in figure 2 and choose the right size! Cam Lock body length: 5/8"(16mm), door thickness ≤ 0.48"(12.19mm), keyhole diameter≈ 0.7"(18mm), two different shaped plate 1.83"(46.6mm) and 1.38"(35mm). Perfect for filing cabinets, storage doors, cabinet doors, drawers, toolbox, mailbox, RV and campers.
  • [Easy to Install] Simple and quick to install-it can be installed on metal, wood, door or drawer panels, it is an extra safety protection for important small objects such as documents, and installation on tool boxes or kitchen knife cabinets keep potential risks away from your kids.
  • [Safety and Durable] Upgrade zinc alloy solid precision casting, surface chrome-plated anti-oxidation process, with better waterproof and anti-rust performance, strong and wear-resistant, it is the safety reinforcement of drawers and doors, and the best choice for replacing locks in file cabinets. The cam lock can be unlocked at 90 degrees, and the key can be pulled out after unlocking.
  • [100% Satisfaction Guranteed] If you are not completely satisfied with the product, we provide a full money back guarantee. The inBovoga Cabinet locks with keys can ensure your safety and privacy. If you need more support, please feel free to contact us. If ordering multiple sets, all cam locks in the order contain the same key, any key will open all locks.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
LIBO-US 6.55 Yes Yes Yes

RV owners and office managers facing aging, flimsy hardware need this heavy-duty locking solution to truly secure their valuables. The inBovoga 6-pack set is a massive upgrade over standard hardware, featuring thickened zinc alloy cylinders that feel substantial rather than hollow. I found the keyed-alike system incredibly convenient. Having twelve keys that all work across the entire set means you never have to hunt for a specific key for a specific drawer. The chrome-plated finish isn't just for looks—it provides much-needed anti-oxidation protection for toolboxes or mailboxes exposed to the elements. With two different plate sizes included, you can easily adapt these to various door thicknesses, making them a versatile choice for everything from kitchen knife cabinets to filing drawers.

What We Like
Thickened zinc alloy
Keyed alike system
Chrome-plated finish
Two plate sizes
Waterproof anti-rust
#13

CompX USPS-L-1172C National Mailbox Lock C9100 (Lock with 3-Keys)

CompX National Mailbox Lock with Three Keys

4.5 (924 ratings)
COMPX USPS-L-1172C 2.00 X 1.00 X 1.00 Inches

Reviews for COMPX (PM Score)

9.5 PM Score
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  • Each lock is Keyed Different (KD)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CLK Supplies 7.31 Yes Yes Yes

You might assume a standard mailbox lock is just a minor hardware detail, but the CompX National Mailbox Lock proves that security starts with the basics. I found that this specific unit provides exactly what you need for a reliable replacement without any unnecessary complexity. The standout feature here is the keyed different design, which ensures your mailbox remains private and secure from neighbors or passersby. It comes ready to go with three keys included, making it easy to distribute copies to family members or trusted individuals. For under twenty dollars, it is a straightforward, dependable solution for anyone looking to upgrade their home mail security with a trusted brand.

What We Like
Keyed different
Three keys included
National mailbox compatible
Secure locking mechanism

Hecfu 1 Pack Cabinet Locks with Keys, 5/8" Cam Lock keyed Alike, Secure Drawer Mailbox File RV Storage Locks Tool Box Locks Replacement Set, Zinc Allo...

Hecfu Chrome Plated Zinc Alloy Cam Lock

4.4 (350 ratings)
HECFU CL 600 0.63 X 0.70 X 0.70 Inches

Reviews for HECFU (PM Score)

9.4 PM Score
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  • ✔️PREMIUM QUALITY: Cam locks are precision cast from upgraded chrome-plated zinc alloy material, chrome-plated surface, waterproof and rust-proof, durable and durable, it is the best lock replacement kit for cabinets, mailboxes, RV compartments, toolbox locks.
  • ✔️PRODUCT SIZE: Different lengths of cam locks are suitable for different thicknesses of door panels. Before purchasing, please check the size introduction in figure 2 and choose the right size! Cam Lock body length: 5/8"(16mm), door thickness ≤ 0.48"(12.19mm), keyhole diameter≈ 0.7"(18mm), two different shaped plate 1.83"(46.6mm) and 1.38"(35mm). Cabinet locks with keys are widely used in mailbox, toolbox, filing cabinets, RV and camper doors.
  • ✔️EASY TO INSTALL: Provide extra security for your important small items on metal, door panels or drawer panels less than 0.48"(12.19mm) thick by referring to the installation diagrams. cabinet locks with keys are installed on tool boxes or kitchen knife cabinets, Gives you the peace of mind to let your kids play freely.
  • ✔️WHAT YOU GET: 1 pcs high quality chrome plated zinc alloy cam locks, each lock contains 1 main lock body, 1 hex nut, 2 same keys, 2 different sizes of lock plates, 1 screw fastener. Key support Use at any angle, open the lock at 90 degrees, without keeping the key, you can take out the key when locking and unlocking.
  • ✔️CONVENIENT AND PRACTICAL: If you need multiple locks with the same key, you can order multiple sets. All cam locks in the order contain the same key control, and any key can open all locks.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hecfu-US 9.04 Yes Yes Yes

Why settle for flimsy hardware when your security depends on a reliable latch? This Hecfu cam lock is a heavy-duty solution for anyone needing to secure toolboxes, RV compartments, or kitchen knife cabinets. The chrome-plated zinc alloy construction feels substantial and offers much-needed resistance against rust and water, making it ideal for outdoor or high-moisture environments. I found the installation process straightforward, especially since it includes two different plate sizes to accommodate varying door thicknesses. A standout feature is the keyed-alike functionality. If you purchase multiple units, a single key manages the entire set, which is a massive convenience for organized storage. It operates smoothly at a 90-degree angle, allowing you to remove the key easily while locking or unlocking.

What We Like
Chrome-plated zinc alloy
Keyed alike sets
Rust-proof finish
Two plate sizes
90-degree rotation

1 Pack Cabinet Lock with Key, 5/8" File Cabinet Lock Cam Lock Keyed Alike, Rv Locks for Storage Door Secure Files Drawers Toolbox Mailbox RV Door, Zin...

BOZXYE Zinc Alloy Cam Lock with Keys

4.4 (662 ratings)
BOZXYE 0.63 X 0.70 X 0.70 Inches

Reviews for BOZXYE (PM Score)

9.4 PM Score
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  • [What You Get] 1 Pack upgraded alloy Drawer Lock with Key and thickened Cam Lock cylinders, 2 Keyed Alike to open locks, File Cabinet Lock Kit with 2 different lock plates (1 pcs standard and 1 pcs for free ).
  • [Cam Lock Size] File Cabinet Locks Kit can be installed on door panels of different thicknesses. Please check the picture 2 before buying and choose the right Cam lock! File Cabinet Locks body length: 5/8"(16mm), door thickness≤0.48"(12.19mm), keyhole size ≈0.7"(18mm), 2 different shapes of plates 1.83"(46.6mm) and 1.38"(35mm) ). Rv Storage Locks or Toolbox Locks with Keys for file cabinet, rv and camper storage door, compartment door, toolbox, mailbox.
  • [Easy to Install] File Cabinet Lock installs simply and quickly on metal, wood, door or drawer panels, providing extra security for important small items such as files, Drawer Locks with Keys install on toolbox or kitchen knife cabinet, allowing Children are kept away from potential dangers.
  • [Safety and Durable] cabinet lock with key is made of high quality zinc alloy solid precision casting, surface chrome-plated anti-oxidation process, with better waterproof and anti-rust performance, strong and wear-resistant, it is the safety reinforcement of drawers and compartment storage doors, and the best choice for replacement locks in file cabinets.
  • [Satisfaction Guarantee] Cabinet lock with key can ensure your security and privacy. If you are not completely satisfied with the product, we offer a full money back guarantee, if you need more support, please feel free to contact us. If ordering multiple sets of Rv Storage Locks or Tubular Cam Locks, all locks in the order have the same key to open all locks.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BOZXYE-US 8.44 Yes Yes Yes

Securing a loose drawer in a cluttered RV or a sensitive file cabinet shouldn't feel like a constant struggle. This BOZXYE cam lock kit provides a surprisingly robust solution for anyone needing to lock down small storage compartments, toolboxes, or mailboxes. The zinc alloy construction feels substantial, and the chrome-plated finish offers much-needed protection against rust and oxidation in damp environments. I particularly liked that it includes two different lock plate sizes, which removes the guesswork when dealing with varying door thicknesses. Installation is straightforward on both wood and metal, making it an easy upgrade for adding a layer of safety to kitchen knife cabinets or office drawers. Since the keys are keyed alike, managing multiple locks across a single unit is incredibly convenient.

What We Like
Durable zinc alloy
Anti-oxidation coating
Two plate sizes
Keyed alike functionality
Easy installation

2Pcs Cabinet Cam Lock Keyed Alike Tool Box Locks 5/8" Cylinder for Truck Pickup Tool Box Vending Machine Drawer Tool Box Mailbox ATM Locks Replacement

NIANNIAN Stainless Steel Tubular Cam Lock Set

4.4 (797 ratings)
NIANNIAN GH LK2P-1

Reviews for NIANNIAN (PM Score)

9.4 PM Score
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  • Package Includes : 2Pcs locks replacement tubular cam locks, 4Pcs keys (keyed alike).
  • Cylinder length : 5/8" / 16 mm. Made of stainless steel, sturdy and durable.
  • Cam lock can be mounted to metal or wood, door and drawer panels. Installation is quick and easy.
  • 5/8" Tool Box Locks replacement applicable truck tool box, subway gate machine, coffee maker, paper vending machine, console, ATM cabinet, wardrobe, elevator operation box, advertising chassis etc.
  • This product applicable places home, hotel, banks, hospitals, school, shopping mall etc.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Rongxia 9.76 Yes Yes Yes

Why settle for a single broken lock when you can secure an entire system with one key? The NIANNIAN cam lock set is a practical solution for anyone managing multiple compartments, from truck toolboxes to office vending machines. Because these two cylinders are keyed alike, you won't be fumbling through a heavy keyring to find the right match for your drawer or cabinet. The 5/8" stainless steel construction feels remarkably sturdy, providing a level of durability that's essential for high-traffic areas like banks or schools. Installation is straightforward on both wood and metal surfaces, making it an easy weekend fix for a malfunctioning ATM cabinet or a simple wardrobe. It is a reliable, no-nonsense hardware upgrade that prioritizes convenience through its synchronized key system.

What We Like
Keyed alike system
Durable stainless steel
Quick installation
Versatile mounting
Two lock set
#17

Prime-Line MP4532 9-Cam, H1 Keyway, Mail Box Lock, Counter Clockwise Rotation, Chrome (Single Pack)

Prime-Line Chrome 5-Pin Mail Box Lock

PRIME-LINE MP4532 4.75 X 4.00 X 1.00 Inches 0.28 Pounds

Reviews for PRIME-LINE (PM Score)

9.3 PM Score
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  • 5-Pin tumbler mail box lock
  • Uses Hudson keyway
  • Counter-clockwise rotation
  • Diecast construction with a spring steel locking clip
  • Can eliminate stocking of individual locks
  • Nickel plated face
  • An adjustable wrench will be required for installation
  • Please refer to the line art drawing for dimensions and compare with your needs before ordering
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use, this Prime-Line mailbox lock has proven to be a reliable, no-nonsense replacement for a worn-out latch. The diecast construction feels sturdy in hand, and the nickel-plated face provides a clean, polished look that blends seamlessly with standard mailboxes. Because it utilizes a 5-pin tumbler system with a Hudson keyway, the security feels much more substantial than the flimsy plastic alternatives often found in hardware aisles. Just keep in mind that you will need an adjustable wrench handy to get it properly installed. The counter-clockwise rotation is smooth, and the spring steel locking clip ensures everything stays seated firmly once you have it set up.

What We Like
5-pin tumbler
Diecast construction
Nickel plated face
Hudson keyway
Spring steel clip
#18

1 Pack Cabinet Locks with Keys, 5/8" Cam Locks Keyed Alike, RV Storage Lock for RV Compartment Door Mailbox Toolbox Locks Replacement Set, Chrome

Hecfu Chrome Cam Lock Replacement Set

HECFU

Reviews for HECFU (PM Score)

9.3 PM Score
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  • 🔒Sturdy and durable: RV compartment lock, made of high-quality zinc alloy precision casting lock body, strong and durable, with chrome-plated surface, excellent waterproof and rust resistance, cam lock with 100% metal key, it can still be used normally in harsh environments.
  • 🔒Product size: Different Lengths of Cam Locks are Suitable for Different Thicknesses of Door Panels. Before Purchasing, Please Check the Size Introduction in Figure 2 and Choose the Right Size! Cam Lock Body Length: 5/8"(17mm), Door Thickness ≤0.43"(11mm), Keyhole Diameter≈ 0.74" (19mm), Lock Plate: 1.65" (42mm) , Perfect for Most RV Storage Locks, Mailbox, Toolbox Replacement Locks or Cabinet Locks.
  • 🔒 Enhanced security: RV storage locks feature professional locking technology, giving you peace of mind to keep important items in your RV or home. Cabinet locks with keys are the best option for changing lock hardware on RV compartment doors or mailbox, toolbox, ensure the safety and privacy of your indoor and outdoor camping.
  • 🔒Easy to install: Refer to the file cabinet lock installation diagram, allowing you to easily and efficiently complete the cam lock installation within 5 minutes, keeping our valuables and drawer files extra secure. Note: You can change the installation direction of the positioning piece to decide whether the key can be pulled out or not when unlocking.
  • 🔒You will get: 1 Pack of 5/8" cabinet locks and 2 same keys, order multiple sets of RV storage locks or tubular cam locks, the locks in the order, have the same key, can open all the locks.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hecfu-US 9.04 Yes Yes Yes

The Hecfu 5/8" Cam Lock is a rugged, zinc alloy security solution designed to withstand the elements. I found the chrome-plated finish particularly impressive because it offers genuine waterproof and rust resistance, which is a must-have if you are securing an RV compartment or an outdoor mailbox. Installation is surprisingly straightforward. You can realistically have this mounted and functional in under five minutes. One clever design detail is the ability to flip the positioning piece to control whether the key remains in the lock or can be pulled out upon unlocking. Since these come keyed alike, you can secure multiple toolboxes or cabinets with a single key, making it a highly efficient upgrade for anyone needing reliable, heavy-duty hardware for their camping gear or home storage.

What We Like
Zinc alloy construction
Rust resistant chrome
Keyed alike sets
Five-minute installation
Weatherproof design

Compx National Mailbox Lock 4C Style Clockwise

Compx Security 4C Style Mailbox Lock

COMPX SECURITY C9100 0.50 X 5.00 X 6.50 Inches 0.01 Pounds

Reviews for COMPX SECURITY (PM Score)

9.3 PM Score
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  • Stainless steel plug
  • 12 degree taper on cylinder head
  • Now able to accommodate up to 3/16" cam
  • Drain holes on the bottom of the cylinder
  • Will include spring clip, mounting nut and (3) keys
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AJTM 5.65 No No No

Your mailbox door is sagging or sticking, and a quick hardware swap is the only way to secure your incoming mail. The Compx National Mailbox Lock provides a professional-grade solution for this common headache, especially with its updated design that accommodates cams up to 3/16" for better versatility. I was particularly impressed by the thoughtful engineering, such as the integrated drain holes at the bottom of the cylinder to prevent moisture buildup and the stainless steel plug for long-term durability. The 12-degree taper on the cylinder head ensures a snug, precise fit during installation. It arrives as a complete kit with a spring clip, mounting nut, and three keys, making the transition from a broken lock to a secure one incredibly seamless.

What We Like
Stainless steel plug
Integrated drain holes
Accommodates 3/16" cam
Three keys included
12 degree taper

Corgre Cylinder Cam Cylinder Lock Cabinet Keyed Cam Locks Mailbox Cabinet Tool Box Lock 12/19 (16mm) (2Pack )

CORGRE Zinc Alloy Keyed Cam Lock Set

CORGRE VJ52I8Q4GG 5.51 X 3.15 X 1.97 Inches

Reviews for CORGRE (PM Score)

9.2 PM Score
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  • Material: zinc alloy.
  • Keyed Alike:1 key can open all locks.
  • Package includes: 2 cam lock and 4 keys.
  • Installation: hole 18MM.
  • Be applicable: Drawer Locks, Kitchen Locks,Toolbox lock ,Letter box more wardrobe file cabinet clothes shoe Locks.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Taohong Market 6.34 Yes Yes Yes

Most people settle for flimsy, single-use latch mechanisms that fail the moment a drawer gets heavy, but these CORGRE cam locks offer a much more reliable security upgrade for your storage. I found the zinc alloy construction to be surprisingly sturdy for a hardware component at this price point. The real standout feature is the keyed-alike functionality. Instead of carrying a massive ring of different keys, you get four keys that can operate both locks in the pack. Whether you are securing a toolbox, a kitchen cabinet, or a mailbox, the 18mm installation requirement makes them straightforward to integrate. It is a practical, no-nonsense solution for anyone looking to add a layer of privacy to their wardrobes or file cabinets without breaking the bank.

What We Like
Durable zinc alloy
Keyed alike functionality
Four keys included
Versatile storage security
Simple 18mm installation

Defender Security S 4125 5-Pin Tumbler Diecast Nickel-Plated Mailbox Lock, Bommer (Single Pack)

Defender Security Nickel-Plated 5-Pin Mailbox Lock

DEFENDER SECURITY S4125 0.50 X 0.63 X 0.63 Inches 0.13 Pounds
  • This is multi-purpose mailbox lock replaces original locks provided by various manufacturers
  • Key will not remove in unlocked position which prevents user from forgetting to lock mailbox
  • This lock replaces mailbox locks
  • The face of this lock comes in a bright nickel-plated finish
  • The spring steel locking clip included with this mailbox lock can insert onto cylinder housing in one of two slotted openings
  • Installation and replacement is fast and easy
  • This mailbox lock includes five zinc-plated steel cams and two keys
  • Please refer to the line art drawing for dimensions and compare with your needs before ordering
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
westlake 9.87 No No No

Homeowners tired of identity theft and mail tampering need the Defender Security 5-Pin Tumbler Lock to finally secure their deliveries. This diecast, nickel-plated unit is a massive upgrade over flimsy factory hardware, offering a bright, professional finish that looks great on any mailbox. One of my favorite design choices is the safety mechanism that prevents the key from being removed while the lock is in the unlocked position. It essentially forces you to actually secure your mail before walking away. The installation process is incredibly straightforward thanks to the included spring steel locking clip and five zinc-plated steel cams, making it a perfect DIY replacement for various manufacturer models. It is a small, affordable investment that provides much-needed peace of mind.

What We Like
Nickel-plated finish
Safety key feature
Five steel cams
Easy installation
Multi-purpose replacement

SereneLife SLMAB01 Weatherproof Wall Mount Mailbox-Outdoor Galvanized Metal Key Large Capacity, Commercial Rural Home Decorative & Office Business Par...

SereneLife Weatherproof Galvanized Metal Wall Mount Mailbox

SERENELIFE SLMAB01.5 11.00 X 3.00 X 9.00 Inches

Reviews for SERENELIFE (PM Score)

9.1 PM Score
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  • LARGE CAPACITY: This wall-mount mailbox duty is holding various mailings, group emails, paperwork, newspapers, magazines, small parcels, package, post office deliveries. This measures 8. 38’’ x 10. 03’’ x 2. 67’’ (WxDxH)
  • CONVENIENT AND SECURE DROPBOX: This wall-mount mailbox duty holds various mailings, paperwork, newspapers, magazines, small parcels, packages, post office deliveries. It provides the perfect solution for convenient and secure, dropbox applications
  • WEATHER-RESISTANT CONSTRUCTION: Outdoor mailboxes are made w/ high quality galvanized steel magnetic cover that allows for universal placement on virtually any flat surface, black powder coated that locked mails from heavy rain & deliberate theft
  • RESIDENTIAL OR OFFICE USE: Aesthetic posts, mounts vertical mailbox adds a modern touch to exterior decor, front door house, commercial, business, classic rural & modern apartment, has secure key lock w/ two reserved key locks not easy to duplicate
  • DECORATIVE BIN DOOR SLOT: Though drop box is a lock, the slot allows payments, parcels, outgoing mail & box packages to be inserted, has an easy access metal flap like old envelope mailbox. Designed to prevent from fishing, stealing private property
  • EASY INSTALLATION: All mailboxes have 4 holes on the back for mounting in the front porch of home or office & should have the spacers inserted between the unit & mounting surface. This is a universal mount mailbox in any walls or flat wall surface
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use through unpredictable weather, this SereneLife mailbox has proven to be a surprisingly rugged addition to my front porch. The galvanized steel construction and black powder coating do a fantastic job of keeping the contents dry, even during heavy rain. I love the design of the decorative bin door slot. It features a metal flap that feels just like a classic envelope mailbox but includes built-in protection to prevent anyone from fishing out your private mail. It is large enough to handle newspapers, magazines, and even small parcels without feeling cramped. Installation was a breeze thanks to the four pre-drilled mounting holes, and the included spacers ensure a perfect fit against any flat surface. For a unit at this price point, the secure key lock provides great peace of mind.

What We Like
Weather-resistant steel
Secure key lock
Large capacity storage
Anti-fishing slot
Easy wall mounting
#24

Defender Security S 4648 Mail Box Lock, 3 Cams, 5 Pin, Brass Plated, (single pack)

Prime-Line Defender Security Mailbox Lock

PRIME-LINE S 4648 1.00 X 0.88 X 0.88 inches 0.20 Pounds

Reviews for PRIME-LINE (PM Score)

9.1 PM Score
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  • Designed as a mailbox lock
  • Fits Auth-Electric mad Bommer locks
  • Includes 3 cams for installation
  • Brass construction with steel cams
  • Has a 7/8 in. diameter
  • All the necessary mounting hardware is included for a quick and easy installation
  • A phillips head screwdriver and adjustab. E wrench required for installation
  • For further dimensional information, please see the Line Drawing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most homeowners tolerate flimsy mailbox latching mechanisms until a single misplaced piece of mail turns into a major headache. This Defender Security lock by Prime-Line offers a professional-grade upgrade for those specifically using Auth-Electric or Bommer systems. The brass-plated construction feels substantial in your hand, and the inclusion of three different cams ensures you can actually find a fit for your specific mounting setup. Installation is a straightforward DIY task that only requires a Phillips head screwdriver and an adjustable wrench. While the hardware is included, having those extra cams in the box is a lifesaver if your existing setup doesn't align perfectly with standard measurements. It is a small, affordable investment that provides much-needed peace of mind for your incoming correspondence.

What We Like
Brass plated construction
Three installation cams
Steel cams included
Quick DIY installation
Fits Bommer locks

1 Pack Cam Locks RV Storage Locks, Mailbox Lock 5/8" Cam Lock Keyed Alike, Toolbox Locks Replacement Lock for File Cabinet Storage Door on Camper, Zin...

Hecfu Zinc Alloy Cam Lock Replacement

HECFU CL06 6.30 X 0.70 X 0.70 Inches 0.18 Pounds

Reviews for HECFU (PM Score)

8.9 PM Score
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  • 🔐Upgraded Durable: Cam Locks are made of upgraded zinc alloy material through precision casting process. The upgraded Mailbox Locks Replacement Lock has better waterproof, anti-rust and anti-oxidation properties, and is durable.It is the premium quality replacement lock accessory for file cabinet, knife cabinet, mailbox, tool box, RV storage and camper compartment door.
  • 🔐Check Before Purchasing: Check the RV Storage Lock measurements description in the photo to choose the correct lock for your needs, Tubular Cam Lock body length: 5/8"(17mm), door panel thickness ≤0.43"(11mm), keyhole diameter≈ 0.74" (19mm), lock plate: 1.65" (42mm) . File Cabinet Locks are suitable for door panels of different thicknesses, such as RV or camper storage doors, compartment doors.
  • 🔐Easy to Install: You install the Cam Lock in 5 minutes, saving you valuable time. Note: ①Support door panel thickness less than 0.43 inch (11mm). ②Key is removable and can be adjusted by the installation direction of the ANTI-SLIP Washer.
  • 🔐Safe and Trustworthy: The Cabinet Lock with Keys is installed on the tool box or knife cabinet, so you can rest assured that your child can play freely. RV locks for storage door file cabinet, mailbox, RV and camper compartment doors to provide greater privacy for personal important items.
  • 🔐Services and Universality: We provide full money back guarantee service, if you have any questions, feel free to contact us to provide a satisfactory solution. *If ordering multiple sets, all File Cabinet Lock or Cam Locks in the order will use the same keying, any one key will be used for all locks(Each lock contains 2 same keys).
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hecfu-US 9.04 Yes Yes Yes

Worn-out or broken compartment latches can turn a secure RV or tool chest into a vulnerable mess of loose items. This Hecfu cam lock provides a rugged, precision-cast zinc alloy solution that handles the elements much better than standard hardware. I found the anti-rust and anti-oxidation properties particularly impressive for outdoor storage use like mailboxes or camper doors. Installation is surprisingly fast, taking about five minutes, and the adjustable anti-slip washer allows you to orient the removable key exactly how you need it. It is a solid choice for securing file cabinets or knife drawers to keep kids safe, especially since ordering multiple units ensures they all function with the same key for added convenience.

What We Like
Durable zinc alloy
Rust resistant
Five-minute installation
Keyed alike option
Waterproof construction
#26

First Watch Security 1319 Mailbox Lock Polished Brass Finish, 1 Count (Pack of 1)

First Watch Security Polished Brass Mailbox Lock

FIRST WATCH SECURITY 1319 0.80 X 3.85 X 5.71 Inches 0.10 Pounds
  • Easy to install
  • New or for replacement application
  • Versatile - Can be installed with screws or by turning wing clips
  • 1/4 inch bolt
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners dealing with a flimsy or outdated mailbox need this heavy-duty security upgrade immediately. This polished brass lock is a lifesaver for anyone looking to secure their mail without a massive headache. I was particularly impressed by how much control you have during the setup process. You can choose to install it using traditional screws or simply turn the wing clips for a quicker fix. The 1/4 inch bolt provides a solid, dependable latch that feels much more secure than standard factory hardware. Whether you are installing this on a brand-new mailbox or swapping out a rusted old unit, the versatility makes the job straightforward and efficient.

What We Like
Polished brass finish
Versatile installation options
Secure 1/4 inch bolt
Easy wing clip mounting
Simple screw installation
#27

Prime-Line MP4048 Mail Box Lock, 1/4 In. Throw, Steel, Brass Plated (Single Pack)

Prime-Line Brass Plated Steel Mail Box Lock

PRIME-LINE MP4048 3.25 X 4.00 X 0.63 Inches 0.08 Pounds

Reviews for PRIME-LINE (PM Score)

8.2 PM Score
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  • Steel construction
  • Fits on Auth, United and Florence mailboxes
  • Brass plated finish
  • Fits old style apartment mail boxes
  • 1/4 inch bolt throw
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Prime-Line MP4048 Mail Box Lock offers a surprisingly sturdy steel construction for such a compact security upgrade. I found that the brass plated finish provides a clean, professional look that blends seamlessly with existing hardware. It is specifically designed to work with Auth, United, and Florence mailboxes, making it a reliable replacement for older apartment-style units. The 1/4 inch bolt throw is precise, ensuring a snug fit when securing your compartment. For under seven dollars, this single-pack lock is an incredibly practical solution for anyone needing to refresh or repair their mail security without a massive investment in new hardware.

What We Like
Steel construction
Brass plated finish
1/4 inch throw
Fits apartment mailboxes
Compatible with United

TYI Cabinet Cam Lock Set, 5 Pack Keyed Alike Cylinder Cam Locks Secure Mailbox File Drawer Dresser RV Compartment Lock Tool Box Replacement Hardware,...

TYI Zinc Alloy Keyed Alike Cam Lock Set

TYI

Reviews for TYI (PM Score)

8.1 PM Score
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  • 【Premium & Durable】Due to over 60,000 times operating measurement and upgrade zinc alloy material by precision casting process, file cabinet replacement locks ensure better antioxidant, waterproof and rustproof performance, resisting corrosion and wear for long-term use.
  • 【Size】 With 5/8" cylinder length and 1.38" lock plate, it can fit a material thickness of up to 1/2". It’s a standard size cam lock with 3/4" diameter, suitable for desk drawers, cabinets, tabletop showcases, camper or RV doors.
  • 【Keyed Alike】Package includes 5 cam locks with 10 keys, allowing all locks to be operated by one key. It is non-key retaining, allowing to remove the key from the locked and unlocked position.
  • 【Easy Installation & Protect Privacy】 This drawer cam lock could be installed quickly and easily, usually be mounted to cabinet doors or panels. It can provide a high privacy for personal belongings and prevent others from peeping. Not only can protect your important items, but you can also protect your child from dangerous items such as sharp tools and inedible supplies.
  • 【Customer Service】We take full responsibility for our product and hope this cranach cabinet replacement lock keep you safe and private. Please feel free to contact us whenever you need help with the item.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TYItech 6.77 Yes Yes Yes

The TYI Cabinet Cam Lock Set provides a reliable, heavy-duty security solution for anyone needing to secure multiple compartments with a single key. These locks are built from precision-cast zinc alloy that has undergone rigorous durability testing, making them much more resistant to rust and corrosion than standard hardware. Because the five locks are keyed alike, you won't be fumbling through a massive keychain to open your file drawers, toolboxes, or RV compartments. The 5/8-inch cylinder is a perfect fit for standard material thicknesses up to half an inch, and the chrome finish adds a professional touch to office furniture or home dressers. Installation is straightforward enough for a quick DIY project, offering an effective way to keep children away from sharp tools or sensitive documents.

What We Like
Keyed alike system
Durable zinc alloy
Rustproof chrome finish
Quick installation
Precision cast construction

Keyed Different, goldenwarm Mailbox Cam Lock 5/8" Cylinder, Cabinet Cam Lock Secured File Cabinet Lock with Keys Toolbox Lock Zinc Alloy Drawer Lock a...

goldenwarm Zinc Alloy Cam Lock with Satin Nickel Finish

GOLDENWARM

Reviews for GOLDENWARM (PM Score)

7.6 PM Score
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  • Basic Info: Zinc Alloy Material with Satin Nickel Finish, 5/8" cylinder length, 3/4" diameter, it can fit maximum 0.55'' panel thickness.
  • Signature Features: The surface is specifically manufactured with Electroplating Coatings. They are tough enough to use for long time. The Keyed-Different feature also make sure the security of files, letters and other documents you want to lock with secret and privacy.
  • Easy to Adjust: Follow the instruction shown in the picture, with the hardware we provided in the package, you can easily install the cam lock within few minutes.
  • Package Inclusion: A set of lock comes with 1 cylinder, 3 latches and 2 keys.
  • One-Year Warranty: We only sell the great product for reasonable price. You can Enjoy the benefits of our proud customer services, if you have any issue or inquiry, please feel free to contact us ANYTIME!
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GoldenwarmDirect 9.74 Yes Yes Yes

After weeks of use on my home office filing cabinet, this goldenwarm cam lock has proven to be a reliable, low-profile security solution. The zinc alloy construction feels surprisingly substantial, and the electroplated satin nickel finish provides a professional look that resists wear over time. Installation was a breeze. I had the cylinder and three included latches secured in just a few minutes using the provided hardware. Because it is keyed different, I can rest easy knowing my private documents are protected by a unique key rather than a universal one. It fits perfectly on panels up to 0.55 inches thick, making it an ideal upgrade for mailboxes, toolboxes, or desk drawers that need a quick, sturdy security boost.

What We Like
Durable zinc alloy
Satin nickel finish
Keyed different security
Easy installation
Three included latches
#30

1 Pack Premium Cabinet Cam Locks Keyed Alike - Zzbety 5/8 Inch Cabinet Locks for Secure Files Drawers Mailbox RV Camper Door Tool Box (Zinc Alloy)

Zzbety Premium Zinc Alloy Cabinet Cam Locks

ZZBETY

Reviews for ZZBETY (PM Score)

7.3 PM Score
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  • 🔐【Cabinet Lock】This 5/8" file cabinet replacement lock comes with 2 keys, so you can store one of the keys as a spare. The key matches the lock so well that even if you insert and remove the key multiple times, there is no jamming. This cabinet lock with key can be used to secure cabinet doors, drawers, etc.
  • 🔐【Product Size】Different lengths of cam locks are suitable for different thicknesses of door panels. Before purchasing, please see diagram for a more detailed picture) Cam Lock body length: 5/8"(16mm), door thickness ≤ 0.48"(12.19mm), keyhole diameter≈ 0.7"(18mm), two different shaped plate(an offset one and a straight one) are 1.83"(46.6mm). Cabinet locks with keys are widely used in mailbox, toolbox, filing cabinets, RV and camper doors.
  • 🔐【Safety and Durable】Zzbety 5/8"(16mm) drawer and cabinet cam lock is upgrade zinc alloy solid precision casting, surface chrome-plated anti-oxidation process,waterproof,rustproof performance, resisting corrosion and wear for long-term use, it is the best lock replacement kit for cabinets, mailboxes, drawers, RV compartments, vans, toolbox locks.
  • 🔐【Easy to Install】 These cylinder locks can be installed on doors or drawer made of metal or wood. It is easy to install in just a few simple steps. It is an extra safety protection for important small objects such as documents, and installation on tool boxes or kitchen knife cabinets keep potential risks away from your kids.
  • 💰【100% Satisfaction Guaranteed】If you are not completely satisfied with the product, we provide a full money back guarantee. The Zzbety cabinet replacement lock can ensure your safety and privacy. If you need more support, please feel free to contact us. If ordering multiple sets, RV storage locks or tubular cam locks, all locks in the order have the same key to open all locks.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
No No No

Zzbety’s 5/8-inch cam locks offer a remarkably smooth mechanical experience for anyone needing to secure small compartments, making them a reliable choice for home improvement projects. After testing the precision casting, the most impressive aspect is the key action. The fit is so tight and well-engineered that you won't deal with the frustrating jamming common in cheaper hardware. The zinc alloy construction is finished with a chrome-plated coating, providing a solid defense against rust and corrosion which is vital if you are installing these in an RV, a camper, or even an outdoor mailbox. They work seamlessly on both wood and metal surfaces, and because they are keyed alike when ordered in multiples, you can manage several drawers or compartments with a single key. It is a straightforward, durable solution for securing toolboxes or protecting kids from kitchen knife cabinets.

What We Like
Smooth key operation
Corrosion resistant zinc
Chrome-plated finish
Keyed alike option
Easy installation
Buying Guide

A Guide to Selecting the Best hecfu mailbox locks

A Guide to Selecting the Best hecfu mailbox locks

Compatibility and Fitment

The most common mistake when purchasing a mailbox lock is overlooking the physical dimensions of the mailbox door. Most mailbox locks are designed for specific hole patterns or latch types. Before selecting a model, measure the thickness of your mailbox door and the diameter of the existing keyhole or latch mechanism. Some locks are designed as replacement cam locks that fit into a pre-drilled circular hole, while others act as supplemental latching mechanisms. Ensure the throw of the bolt—the part that actually enters the locking mechanism—is long enough to secure the door firmly against the frame without being so long that it prevents the door from closing properly.

Material Composition and Weather Resistance

Since mailboxes are exposed to the elements year-round, the material of the lock is a primary decision factor. Look for locks constructed from heavy-duty zinc alloy or stainless steel. These materials resist oxidation and rust, which are the primary causes of lock failure in outdoor environments. Avoid lightweight plastic components in the locking mechanism, as UV exposure from sunlight can make them brittle and prone to cracking. A high-quality mailbox lock should feel substantial in the hand and maintain smooth key rotation even after exposure to rain, snow, or extreme humidity.

Keying Options and Security Levels

When evaluating security, consider the keying configuration. Some models offer individual keys, meaning every mailbox in a neighborhood might have a different key, which is ideal for privacy. Others may come in keyed-alike sets, which are useful for property managers overseeing multiple units. Furthermore, consider the complexity of the cylinder. While mailbox locks do not require the high-security level of a front door deadbolt, a cylinder that is resistant to simple picking or tensioning provides much better peace of mind against casual opportunistic thieves.

Ease of Installation and Maintenance

Unless you are an experienced locksmith, you will likely want a DIY-friendly installation. Look for locks that include the necessary mounting hardware, such as screws or specialized nuts, to avoid extra trips to the hardware store. A good mailbox lock should be able to be installed with basic hand tools like a screwdriver. Additionally, consider the maintenance aspect. Choosing a lock with a smooth-action cylinder means you won't have to constantly use graphite lubricants or WD-40 to keep the key turning, which can actually attract dust and grime over time if used incorrectly.

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Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Hecfu Mailbox Locks before you buy.

Heavy-duty mailbox locks utilize hardened steel or reinforced zinc alloy construction and thicker locking mechanisms designed to resist prying, drilling, and weather-related corrosion over long periods.

Most aftermarket mailbox locks are designed to fit standard-sized residential mailboxes, but you should verify your mailbox's door thickness and latch type before purchasing to ensure compatibility.

Most models come with a unique set of keys, but some professional-grade options allow for key re-keying or integration into existing master key systems for easier management.

Yes, high-quality mailbox locks are treated with anti-corrosion coatings and feature sealed components to prevent rust and jamming caused by rain, snow, and humidity.

Cam locks are ideal for replacing existing cylinder locks on mailbox doors, while latch locks are better suited for securing the entire lid or door of a larger pedestal mailbox.

While no lock is 100% impenetrable, a high-quality lock significantly deters 'fishing' and casual theft by adding a physical barrier that requires tools to bypass.

Generally, yes, as long as the lock does not interfere with the postal carrier's ability to access the mailbox to deliver and collect mail. Always ensure the carrier can still reach the contents easily.
Research & Insights

Our Analysis of Hecfu Mailbox Locks

39,031 Reviews Analyzed
133 Products Evaluated
6.5 Avg PM Score
10 Brands Ranked

Top 10 Hecfu Mailbox Locks Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Prime-Line 14 (25%)
  2. 02 Hecfu 8 (14.3%)
  3. 03 Inbovoga 6 (10.7%)
  4. 04 Niannian 6 (10.7%)
  5. 05 Bozxye 4 (7.1%)
  6. 06 Cylinnda 4 (7.1%)
  7. 07 Defender Security 4 (7.1%)
  8. 08 Jayseon 4 (7.1%)
  9. 09 Gnellkoor 3 (5.4%)
  10. 10 Kuyefgf 3 (5.4%)

What Our Analysis Found

We've carried out a comprehensive analysis of 39,031 reviews on Hecfu Mailbox Locks, using our selection criteria to identify the best options in the hardware. Our findings reveal that most customers typically select Hecfu Mailbox Locks priced around $17.29, with top brands including compx national, prime-line, compx security, defender security, 21st century building specialties, gibraltar mailboxes, architectural mailboxes, compx and tyi and hecfu.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Hecfu Mailbox Locks for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the hardware category — including mg supply, ajtm, amazon.com, j&h discount sales, clk supplies, tyitech, hecfu-us, easykeys inc. and goldenwarmdirect and jayseon-direct.

We are dedicated to assisting our users in finding the right locks Products based on their needs, saving them considerable time when choosing which Hecfu Mailbox Locks to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 30 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 Mail Boss Curbside Locking Security Mailbox Mail Boss 9.9 4.8 (9,561) Buy on Amazon
2 Architectural Mailboxes Oasis 360 Locking Parcel Mailbox ARCHITECTURAL MAILBOXES 9.8 4.7 (2,167) Buy on Amazon
3 Architectural Mailboxes Oasis Classic Locking Parcel Mailbox ARCHITECTURAL MAILBOXES 9.8 4.7 (2,074) Buy on Amazon
4 KYODOLED Secure Wall Mount Mailbox in Black KYODOLED 9.7 4.5 (2,149) Buy on Amazon
5 Mail Boss Townhouse Locking Security Wall Mount Mailbox Mail Boss 9.7 4.7 (433) Buy on Amazon
6 Gibraltar Mailboxes Designer Locking Mailbox in Venetian Bronze Gibraltar Mailboxes 9.7 4.5 (7,892) Buy on Amazon
7 Prime-Line Multipurpose Replacement Mailbox Lock PRIME-LINE 9.6 4.4 (3,569) Buy on Amazon
8 FJM Security Combi-Cam Keyless Combination Cam Lock FJM Security Products 9.6 4.4 (1,542) Buy on Amazon
9 Replacement Tenant Mail Box Lock for AF Florence Units 21st Century Building Specialties 9.6 4.6 (175) Buy on Amazon
10 Defender Security Diecast Cabinet and Drawer Lock Defender Security 9.6 4.3 (3,168) Buy on Amazon
11 Westway Locks Disc Tumbler Cam Lock Set Westway 9.5 4.5 (510) Buy on Amazon
12 inBovoga Premium Zinc Alloy Cabinet Cam Lock Set inBovoga 9.5 4.5 (448) Buy on Amazon
13 CompX National Mailbox Lock with Three Keys CompX 9.5 4.5 (924) Buy on Amazon
14 Hecfu Chrome Plated Zinc Alloy Cam Lock Hecfu 9.4 4.4 (350) Buy on Amazon
15 BOZXYE Zinc Alloy Cam Lock with Keys BOZXYE 9.4 4.4 (662) Buy on Amazon
16 NIANNIAN Stainless Steel Tubular Cam Lock Set NIANNIAN 9.4 4.4 (797) Buy on Amazon
17 Prime-Line Chrome 5-Pin Mail Box Lock PRIME-LINE 9.3 4.3 (368) Buy on Amazon
18 Hecfu Chrome Cam Lock Replacement Set Hecfu 9.3 4.3 (138) Buy on Amazon
19 Compx Security 4C Style Mailbox Lock Compx Security 9.3 4.3 (145) Buy on Amazon
20 CORGRE Zinc Alloy Keyed Cam Lock Set CORGRE 9.2 4.2 (409) Buy on Amazon
21 National Mailbox Lock C9200 (with Keys) Panasonic 9.2 4.2 (259) Buy on Amazon
22 Defender Security Nickel-Plated 5-Pin Mailbox Lock Defender Security 9.1 4.3 (96) Buy on Amazon
23 SereneLife Weatherproof Galvanized Metal Wall Mount Mailbox SereneLife 9.1 4.1 (351) Buy on Amazon
24 Prime-Line Defender Security Mailbox Lock PRIME-LINE 9.1 4.3 (95) Buy on Amazon
25 Hecfu Zinc Alloy Cam Lock Replacement Hecfu 8.9 4.1 (96) Buy on Amazon
26 First Watch Security Polished Brass Mailbox Lock First Watch Security 8.6 3.8 (95) Buy on Amazon
27 Prime-Line Brass Plated Steel Mail Box Lock PRIME-LINE 8.2 3.9 (85) Buy on Amazon
28 TYI Zinc Alloy Keyed Alike Cam Lock Set TYI 8.1 4.3 (76) Buy on Amazon
29 goldenwarm Zinc Alloy Cam Lock with Satin Nickel Finish goldenwarm 7.6 4.2 (67) Buy on Amazon
30 Zzbety Premium Zinc Alloy Cabinet Cam Locks Zzbety 7.3 4.1 (64) Buy on Amazon