Best Hecfu Mailbox Locks in 2026

Daisy
Last Updated: Feb 7, 2026

At a Glance: Our Top Picks for Hecfu Mailbox Locks

FRANK MARTIN 7850R-L-Black MEI-7850R-L-Black FJM Security 7850-R, 1 1/8, Black
#TOP1
Frank Martin 7850R-L-Black Mei-7850R-L-Black Fjm Security 7850-R, 1
9.6
PM SCORE
FJM Security Combi-Cam 7850R-M-Black Combination Cam Lock, 7/8" Black Finish
#TOP2
Fjm Security Combi-Cam 7850R-M-Black Combination Cam Lock, 7/8"
9.6
PM SCORE
FJM Security Combi-Cam 7850R-S-Black Combination Cam Lock, 5/8" Black Finish
#TOP3
Fjm Security Combi-Cam 7850R-S-Black Combination Cam Lock, 5/8"
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Hecfu Mailbox Locks of 2026

#TOP1

Frank Martin 7850R-L-Black Mei-7850R-L-Black Fjm Security 7850-R, 1 1/8, Black

FRANK MARTIN
7850R-L-BLACK
2.20 X 2.00 X 1.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aserson 9.98

Features

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.

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.

#TOP2

Fjm Security Combi-Cam 7850R-M-Black Combination Cam Lock, 7/8" Black Finish

FJM SECURITY PRODUCTS
7850R-M-BLACK
5.00 X 0.37 X 2.00 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FJM Security Products 6.53

Features

KEYLESS SECURITY - Security doesn’t have to include managing a dozen keys and replacing locks. The Combi-Cam is a secure, long-lasting, metal cam lock with 1,000 possible combinations. This 3-Dial combination cabinet cam lock is easy to install, can retrofit any standard cam lock, and has the ability to be programmed in a non-resettable mode.

SPECIFICATIONS - The cam lock has a 7/8” cylinder length and is designed to fit a material thickness of 5/8” . The default combination of the Combi-Cam is always set to all 0s.

DURABLE AND RUST RESISTANT - These cabinet locks are outfitted with 3 pick-proof chrome plated dials and constructed out of sturdy zinc alloy – the lock won't rust or wear out over time.

INCLUDED - Combi-Cam 3-dial cabinet lock hardware comes with a 3/4" straight cam, 1-1/2" straight cam, 90 deg (degree) stop cam, 1-1/2" offset cam, and 3/4" wood prong washer.

VERSATILE - 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. 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.

Combi-CamTM is the original dial combination cam lock with years of quality and reliability. We offer superior customers service and same day shipping. We are the experts in combination products, especially combination cabinet locks. The Combi-CamTM is a great solution in those environments where sharing and managing keys amongst several people is a hassle. The combination of the Combi-Cam can easily be easily changed and there are 1,000 possible combinations.

Fjm Security Combi-Cam 7850R-S-Black Combination Cam Lock, 5/8" Black Finish

COMBICAM
7850RSBLACK
2.00 X 0.88 X 5.00 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

KEYLESS SECURITY - Security doesn’t have to include managing a dozen keys and replacing locks. The Combi-Cam is a secure, long-lasting, metal cam lock with 1,000 possible combinations. This 3-Dial combination cabinet cam lock is easy to install, can retrofit any standard cam lock, and has the ability to be programmed in a non-resettable mode..Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

SPECIFICATIONS - The cam lock has a 5/8” cylinder length and is designed to fit a material thickness of 3/8” . The default combination of the Combi-Cam is always set to all 0s.

DURABLE AND RUST RESISTANT - These cabinet locks are outfitted with 3 pick-proof chrome plated dials and constructed out of sturdy zinc alloy – the lock won't rust or wear out over time.

INCLUDED - Combi-Cam 3-dial cabinet lock hardware comes with a 3/4" straight cam, 1-1/2" straight cam, 90 deg (degree) stop cam, 1-1/2" offset cam, and 3/4" wood prong washer.

VERSATILE - 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. 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.

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

FJM SECURITY PRODUCTS
7850R-S
3.10 X 1.30 X 1.20 Inches
0.35 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Gate Openers and more 9.50

Features

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.

Simbalux Combo Realtor Lockbox Quality 4 Digit Numeric Combination Real Estate Lock Box, 6-Pack

SIMBALUX
SL16-4D
5.50 X 2.00 X 1.50 Inches
0.94 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ABKus 7.92

Features

Compatibility: Fits on standard door knobs, water pipe, railings, etc.

Fits many keys: Fits up to 3 regular size keys to 5 smaller keys (mailbox, etc.).

Ease of use: super easy to use. Easy to reset passcode.

Security: able to program to 10,000 unique pass codes using 4 digits from 0 to 9.

Light weight: easily held in one palm while the other hand handles the keys.

Fjm Security Combi-Cam 7850R-Xl Combination Cam Lock, 1-3/8" Chrome Finish

FJM SECURITY PRODUCT
7850R-XL
1.50 X 1.20 X 1.10 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

KEYLESS SECURITY - Security doesn’t have to include managing a dozen keys and replacing locks. The Combi-Cam is a secure, long-lasting, metal cam lock with 1,000 possible combinations. This 3-Dial combination cabinet cam lock is easy to install, can retrofit any standard cam lock, and has the ability to be programmed in a non-resettable mode.

SPECIFICATIONS - The cam lock has a 1-1/8” cylinder length and is designed to fit a material thickness of 1-1/8” .The default combination of the Combi-Cam is always set to all 0s.

DURABLE AND RUST RESISTANT - These cabinet locks are outfitted with 3 pick-proof chrome plated dials and constructed out of sturdy zinc alloy – the lock won't rust or wear out over time.

INCLUDED - Combi-Cam 3-dial cabinet lock hardware comes with a 3/4" straight cam, 1-1/2" straight cam, 90 deg (degree) stop cam, 1-1/2" offset cam, and 3/4" wood prong washer.

VERSATILE - 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. 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.

Combi-CamTM is the original dial combination cam lock with years of quality and reliability. We offer superior customers service and same day shipping. We are the experts in combination products, especially combination cabinet locks. The Combi-CamTM is a great solution in those environments where sharing and managing keys amongst several people is a hassle. The combination of the Combi-Cam can easily be easily changed and there are 1,000 possible combinations.

Combo Realtor Lockbox [12 Pack] By Simbalux Quality 4 Digit Numeric Combination Real Estate Lock Box

SIMBALUX
SL16-4D
5.50 X 2.00 X 1.50 Inches
0.94 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ABKus 7.67

Features

Compatibility: Fits on standard door knobs, water pipe, railings, etc.

Fits many keys: Fits up to 3 regular size keys to 5 smaller keys (mailbox, etc.).

Ease of use: super easy to use. Easy to reset passcode.

Security: able to program to 10,000 unique pass codes using 4 digits from 0 to 9.

Light weight: easily held in one palm while the other hand handles the keys.

Household Cabinet Password Locks, Cabinet Door Combination Lock With 7 Screws And Viscose, For Cabinet, Mailbox, Pet Doors, Office File Cabinet Lock (Black)

REEBARTEIN
4.30 X 1.80 X 1.00 Inches
0.48 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BEECEETEEN 5.05

Features

PASSWORD SETTING: The initial password is 000, and the password can be set or modified when the jack is in the unlocked state.

PUNCH OR NO PUNCH: There are 2 installation methods, screw installation or nail-free glue installation. The package comes with 7 screws, which is enough. You need to confirm the installation position before assembly.

VERSATILE: Unlike other locks, the Password Locks 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.

DURABLE AND RUST RESISTANT: These cabinet locks are outfitted with 3 pick-proof chrome plated dials and constructed out of sturdy zinc alloy – the lock won't rust or wear out over time.

SERVICE: We have the best after-sales service, if you have any questions, please contact us in time, we will give you the most perfect solution

Top 10 mailbox locks Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Fjm Security Products 2
Simbalux 2
Combicam 1
Fjm Security Product 1
Frank Martin 1
Reebartein 1

Top 10 mailbox locks Brands Pie Chart


We've carried out a comprehensive analysis of 6,610 reviews on mailbox locks, using our selection criteria to identify the best options in the home improvement. Our findings reveal that most customers typically select mailbox locks priced around $44.20, 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 8 mailbox locks for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the home improvement category. These include 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 mailbox locks to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.