PickSmartly Review

Best Defender Security Deadbolts in 2026

9.9 PM Score
Products Evaluated
12
Reviews Analyzed
20,135
Brands Ranked
5
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When it comes to hardening your home's perimeter, the deadbolt is your primary line of defense against forced entry. Selecting a high-security deadbolt isn't just about choosing a lock that turns smoothly. It is about understanding the mechanical resistance, the complexity of the cylinder, and the durability of the strike plate. A premium deadbolt should provide peace of mind through physical strength and resistance to common bypass techniques like drilling, picking, or bumping. This guide will help you navigate the technical specifications required to choose a deadbolt that actually secures your entryways.

Editor's Choice

Our Top Picks for Defender Security Deadbolts

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

Smart Lock, ULTRALOQ U-Bolt Pro + Bridge WiFi Adaptor, 6-in-1 Keyless Entry Door Lock with App, WiFi, Bluetooth, Fingerprint ID and Keypad, Fingerprin...

ULTRALOQ U-Bolt Pro Smart Deadbolt with WiFi Bridge

ULTRALOQ U-BOLT PRO 2.95 X 2.95 X 1.22 Inches 3.00 Pounds

Reviews for ULTRALOQ (PM Score)

9.9 PM Score
Buy on Amazon
  • Control Your Ultraloq Smart Lock Anytime, Anywhere: Unlock, share access and see a Log of who's entered and exactly when they did remotely using smartphone App with WiFi Bridge included. Share ekey or code remotely to your family, guests or service people for permanent access, specific dates or periods of time. Connectivity: 2.4GHz WiFi (802.11 b/g/n)
  • 6-in-1 Keyless Entry Smart Lock: Touch and Go 360° Fingerprint ID + Anti-peep Keypad + Smartphone + Auto Unlock + Shake to Open + Mechanical Key
  • Auto Lock and Auto Unlock: Smart Lock automatically locks as you leave and unlocks when you arrive at your door with your smartphone in your pocket. Voice control with Alexa and Google Assistant. Works with IFTTT. Compatible with Apple Watch.
  • Certified Highest Security and Durability: ANSI Commercial Grade 1. Proven for up to 35 times strength of standard residential locks along with a 7 times longer lifespan. IP65 rated dust and weatherproof external Smart Lock built to withstand heat and cold.
  • DIY Installation: Replace your current deadbolt with just a screwdriver. Backed by Ultraloq, world’s leading smart lock brand with more than 1 million happy American users. Plus lifetime mechanical warranty and 18 months electronic warranty.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ultraloq 9.86 Yes Yes Yes

You are standing at your front door with arms full of heavy groceries, desperately searching your pockets for a key that just isn't there. This is exactly where the ULTRALOQ U-Bolt Pro saves the day, using its 360° fingerprint sensor to grant you instant access without lifting a finger. I found the six different entry methods, including the 'shake to open' feature and anti-peep keypad, to be incredibly versatile for different daily routines. Because it includes a WiFi bridge, you can manage guest codes or check entry logs from anywhere via the app. It is a heavy-duty piece of hardware too. The ANSI Grade 1 certification means it is built to handle much more physical stress than a standard residential lock, making it a reliable upgrade for any home.

What We Like
6-in-1 keyless entry
360° fingerprint ID
ANSI Grade 1 security
Weatherproof IP65 rating
Remote WiFi control

Defender Security U 9480 Door Strike, for Use with 5-1/2” and 6” Hole Spacing On Dead Latch and Deadbolt, Steel, Brass (Single Pack)

Defender Security Steel Combo Door Strike

4.7 (3,307 ratings)
DEFENDER SECURITY U 9480 0.88 X 3.81 X 13.88 Inches 0.56 Pounds
  • REPLACE STANDARD LATCH AND STRIKES – The Defender Security U 10385 door strike is designed to replace the standard, separate latch and deadbolt strike plates with a one-piece combo plate.
  • MAXIMUM SECURITY STRIKE – This door strike provides maximum security! It comes with a one-piece combo plate plus six 3 inch long screws for maximum security. These longer screws allow for a strong hold, which helps prevent kick-ins.
  • TALLER LATCH AND BOLT OPENINGS – This door strike features slightly taller latch and bolt openings to accommodate door hardware spaced from 5-1/2 inch to 6 inch hole centers.
  • EASY INSTALLATION – Installation is quick and easy, and the door strike fastens into jamb and door frame with screws. Some mortising and pilot hole drilling may be required for a flush install.
  • DURABLE, STRONG CONSTRUCTION – Made of stamped steel with a brass finish, this door strike is durable, sure to last the test of time. Measure the center holes for your replacements. These are designed to be used for 5 ½ to 6 inch on center only.
  • Used to replace standard separate latch and deadbolt strikes with one piece security
  • 1-5/8 in. x 11 in.
  • Brass plated finish
  • Stamped steel construction
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The heavy weight of the stamped steel construction immediately tells you this isn't your typical flimsy hardware store plate. Instead of dealing with two separate, mismatched pieces for your deadbolt and latch, this Defender Security combo plate merges them into one solid unit. I was particularly impressed by the inclusion of six 3-inch long screws, which are a game-changer for reinforcing the door frame against forced entries. The taller openings provide a bit of breathing room, making it compatible with various hole spacings between 5-1/2 and 6 inches. While you might need to do a little mortising or pilot hole drilling to get that perfectly flush, the brass finish looks sharp and the added structural integrity makes the entire door feel significantly more secure.

What We Like
One-piece combo design
Long security screws
Durable stamped steel
Brass plated finish
Reinforced kick-in protection

Kwikset 99550-001 SmartCode 955 Keypad Electronic Lever Door Lock Deadbolt Alternative with Pembroke Door Handle Lever Featuring SmartKey Security in...

Kwikset SmartCode 955 Keypad Lever and Deadbolt Set

4.6 (3,588 ratings)
KWIKSET 99550-001 3.87 X 4.11 X 9.49 Inches 4.50 Pounds

Reviews for KWIKSET (PM Score)

9.8 PM Score
Buy on Amazon
  • SECURE KEYLESS ENTRY: Fast and quiet motorized deadbolt with illuminated keypad provides keyless door entry to your home, and one-touch locking when leaving
  • EASY PROGRAMMING: Setup keyless door entry with up to 30 programmable unique user codes, perfect for small businesses, utility rooms, public restrooms
  • 3 LOCKING MODES: "Auto-lock" locks after entry and exit, "Passage" stays unlocked, "Disable Passage" auto-locks every time and requires a key or code for entry
  • SMARTKEY SECURITY: Kwikset's SmartKey security technology protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds
  • EASY INSTALL: Do it yourself, installs in minutes with just a screwdriver, fits doors between 1-3/8"" and 1-3/4"" thick, 1 9v battery lasts up to 3 years
  • PRODUCT WARRANTY: Locks and handles have a lifetime mechanical and finish warranty, and a 1 year electronics warranty. See Kwikset warranty for full details
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Kwikset SmartCode 955 turns your entryway into a high-tech hub with its seamless keyless entry and integrated Pembroke lever. I found the motorized deadbolt to be impressively quiet, and the illuminated keypad makes navigating the door in total darkness a breeze. It is incredibly versatile for different scenarios. You can set it to auto-lock for security, use passage mode for high-traffic areas, or disable passage entirely to ensure the door always requires a code. The standout feature is definitely the SmartKey security, which lets you re-key the lock yourself in seconds without a locksmith. Installation is a total DIY win, requiring only a screwdriver and a single 9V battery that lasts up to three years.

What We Like
Keyless keypad entry
SmartKey re-keying technology
Three locking modes
Easy DIY installation
Three-year battery life

Kwikset 99420-002 Aura Bluetooth Programmable Keypad Door Lock Deadbolt Featuring SmartKey Security, Venetian Bronze

Kwikset Aura Bluetooth Programmable Keypad Deadbolt

4.4 (3,263 ratings)
KWIKSET 99420-002 3.99 X 4.24 X 9.74 Inches 3.10 Pounds

Reviews for KWIKSET (PM Score)

9.6 PM Score
Buy on Amazon
  • CONTROL WITH YOUR PHONE: Use your phone to lock/unlock, share guest access, monitor activity at the door, and so much more while in Bluetooth range of the lock.Control Method:Application
  • SHARE ACCESS WITH GUESTS: Backlit keypad with support for up to 250 access codes. Use the Kwikset app to schedule access windows or share one-time codes with guests
  • MONITOR YOUR HOME: View history log, receive activity notifications, and monitor user access while using the Kwikset app in Bluetooth range of the lock
  • AUTO-LOCK SECURITY: Set a duration for your door to lock automatically after entry or exit, perfect for keeping your hands free and getting in and out in a hurry
  • EASY INSTALL: Do it yourself, installs in minutes with just a screwdriver, fits doors between 1-3/8" and 2" thick
  • SMARTKEY SECURITY: Kwikset's SmartKey security protects your lock against advanced break-in techniques and allows you to re-key your lock yourself in seconds
  • PRODUCT WARRANTY: Locks and handles have a lifetime mechanical and finish warranty, and a 1 year electronics warranty. See Kwikset warranty for full details
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most homeowners settle for the clunky ritual of digging through bags for lost keys, but the Kwikset Aura turns your smartphone into a seamless digital gateway. After testing its Bluetooth connectivity, the convenience of unlocking your door via an app while within range is a genuine game-changer for busy mornings. The backlit keypad is intuitive, especially when you're managing up to 250 different access codes for guests or service providers. I particularly liked the auto-lock feature, which provides peace of mind if you're ever rushing out the door. Installation is surprisingly straightforward with just a screwdriver, and the SmartKey technology means you can re-key the lock yourself in seconds without calling a locksmith. It is a sophisticated, secure upgrade that feels much more modern than a standard deadbolt.

What We Like
Bluetooth phone control
250 access codes
SmartKey re-keying
Auto-lock security
Easy DIY installation

Prime-Line E 2462 Classic Bronze, High Security Deadbolt Strike (Single Pack)

Prime-Line Classic Bronze High Security Deadbolt Strike

4.6 (201 ratings)
PRIME-LINE E 2462 0.38 X 3.81 X 6.44 Inches 0.13 Pounds

Reviews for PRIME-LINE (PM Score)

9.6 PM Score
Buy on Amazon
  • Compatible with most residential deadbolt hardware
  • Ideal for strengthening jamb at deadbolt area
  • The deadbolt rectangular opening on this strike measures 3/4 inch x 1-1/16 in
  • The net size of the deadbolt strike measures 1-1/4 inch x 3-5/8 in
  • Constructed of heavy gauge stamped steel
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A weak door jamb is often the Achilles' heel of home security, making this heavy-gauge stamped steel strike an essential upgrade for any standard deadbolt setup. I found that replacing a flimsy factory plate with this Prime-Line component significantly strengthens the strike area where the bolt actually engages. The rectangular opening is precisely sized at 3/4 inch by 1-1/16 inches, ensuring it fits most residential hardware without a headache. Measuring 1-1/4 inches by 3-5/8 inches overall, it provides a much more robust surface area than typical thin plates. It is a straightforward, budget-friendly way to reinforce your entry points using a classic bronze finish that blends seamlessly with existing hardware.

What We Like
Heavy gauge steel
Strengthens door jamb
Classic bronze finish
Residential hardware compatible

Defender Security U 11442 Door Reinforcement Lock – Add Extra, High Security to your Home and Prevent Unauthorized Entry – 3” Stop, Aluminum Construct...

Defender Security Aluminum Door Reinforcement Lock

4.6 (466 ratings)
DEFENDER SECURITY U 11442 1.55 X 3.75 X 6.35 Inches
  • Used on swing-in doors to protect against unauthorized entry by preventing lock bumping and lock picking (while in the locked position).Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
  • 3 in. tall stop projects 1 in. beyond face of door when in locked position
  • Meets Texas building code requirement
  • Extruded aluminum construction in polished brass finish
  • Withstands 800 lbs. of force
  • Will fit any in-swing door
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Can a single piece of hardware truly transform your home's defensive perimeter? The Defender Security Door Reinforcement Lock is a heavy-duty solution designed specifically for in-swing doors that need more than just a standard deadbolt. Built from extruded aluminum with a polished brass finish, this device acts as a physical barrier that can withstand up to 800 lbs. of force. When engaged, the 3-inch tall stop projects an inch beyond the door face, making it incredibly difficult for intruders to use common techniques like lock bumping or picking. It even meets Texas building code requirements, which speaks to its serious engineering. Just make sure you measure your door's backset and thickness beforehand to ensure a perfect, secure fit.

What We Like
800 lbs. force resistance
Polished brass finish
Extruded aluminum construction
Prevents lock bumping
Fits in-swing doors

Prime-Line U 9524 3-1/2 In. Bright Brass Plated Backplate (2 Pack)

Defender Security Bright Brass Plated Backplate Two Pack

4.6 (112 ratings)
DEFENDER SECURITY U 9524 0.06 X 3.50 X 3.50 Inches 0.10 Pounds
  • Typically used on 2-1/8 inch bore lock sets
  • Converts a 2-3/4 inch to 2-3/8 in
  • Brass construction
  • Covers marred doors
  • Lock sets are not included
  • Mounting hardware included
  • 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

The Defender Security Bright Brass Plated Backplate is a lifesaver for anyone dealing with mismatched door hardware or unsightly surface damage. I found that this two-pack is particularly effective at masking marred door surfaces while providing a clean, professional finish. It serves a dual purpose by acting as a conversion tool, allowing you to transition a 2-3/4 inch bore to a 2-3/8 inch setup for standard 2-1/8 inch lock sets. The brass construction feels substantial, and having the mounting hardware included makes the installation process straightforward. Just keep in mind that you will need to provide your own lock sets, as these plates are designed strictly for mounting and aesthetic coverage. It is a small, affordable fix that makes a massive difference in a room's hardware cohesion.

What We Like
Brass construction
Covers marred doors
Bore size conversion
Hardware included
Two pack

Defender Security E 2718 Door Escutcheon Plates, Satin Nickel Plated (2-pack) , White

Defender Security Satin Nickel Door Escutcheon Plates

4.6 (166 ratings)
DEFENDER SECURITY E 2718 2.18 X 0.25 X 7.00 inches
  • Fits most vintage door hardware
  • Bit key opening
  • Includes fasteners
  • Satin nickel escutcheon plates
  • For further dimensional information, please see the line drawing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Restoring a vintage entryway requires precision parts rather than modern replacements that ruin the aesthetic, and these Defender Security escutcheon plates are exactly what period-correct renovations demand. I found that these plates do a fantastic job of bridging the gap between old-world charm and functional security. The satin nickel finish provides a sophisticated look that complements classic hardware without looking out of place. Since they are designed specifically to fit most vintage door hardware and feature a bit key opening, they solve the common headache of finding compatible trim for older locks. The inclusion of all necessary fasteners makes the installation process straightforward, ensuring your hardware looks polished and professional immediately.

What We Like
Satin nickel finish
Vintage hardware compatible
Bit key opening
Fasteners included
Two-pack set

Defender Security U 10677 Door Plate, 2-5/8 in. Diameter, Stainless Steel Hole Cover

Defender Security Stainless Steel Door Hole Cover Plate

4.6 (839 ratings)
DEFENDER SECURITY U 10677 2.63 X 2.63 X 2.63 Inches 0.22 Pounds
  • MAINTAIN SECURITY – Use this door hole cover plate to help maintain security and privacy on entry doors where the knob latch or deadbolt hardware is no longer being used. Cover up the holes that may allow for unwanted entry or invasion of privacy, and keep doors looking great!
  • CONCEAL HOLES – This door hole cover plate can cover bores and holes from 1/2” diameter up to 2-1/8”
  • EASY INSTALLATION – With only two fasteners to install, installation is quick and easy, and the door hole cover plate can conceal most bores and holes for additional security and privacy.
  • HEAVY DUTY – Made of heavy-duty gauge steel with a stainless finish, this door hole cover provides peace of mind and extra security, plus it’s durable and made to last.
  • SIZING – This door cover plate has a 2-5/8” outside diameter and fits on doors up to 1-3/4” thick.
  • For further dimensional information, please see the line drawing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Defender Security door plate is the definitive fix for homeowners dealing with unsightly or insecure entry door bores. Whether you have recently removed an old deadbolt or are looking to seal up unused knob latches, this heavy-duty gauge steel plate offers immediate peace of mind. I found the stainless finish to be quite durable, ensuring it looks professional rather than like a temporary patch job. It covers a wide range of hole diameters from 1/2 inch up to 2-1/8 inches, making it incredibly versatile for various door configurations. Installation is a breeze since it only requires two fasteners, and it accommodates doors up to 1-3/4 inches thick. It is a simple, rugged solution for maintaining privacy and home security without a massive renovation project.

What We Like
Heavy-duty steel
Stainless finish
Easy two-fastener installation
Wide bore coverage
Enhances door security

Defender Security U 9517 3-1/2 inch Chrome plated Back Plate (2 pack)

Defender Security Chrome Plated Back Plate Two Pack

4.6 (947 ratings)
DEFENDER SECURITY U 9517 0.06 X 3.50 X 3.50 Inches 0.02 Pounds
  • Typically used on 2-1/8 in. bore lock sets.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
  • Converts a 2-3/4 in. to 2-3/8 in
  • Steel nickel plated
  • Covers marred doors
  • Lock sets are not included
  • All the necessary mounting hardware is included for a quick and easy installation
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use, I can confidently say this back plate is a lifesaver for anyone dealing with mismatched hardware or unsightly door damage. This Defender Security set is specifically designed to mask marred surfaces while solving a common installation headache: converting a 2-3/4 inch backset to a 2-3/8 inch fit. The steel nickel plating provides a clean, polished look that blends seamlessly with standard 2-1/8 inch bore lock sets. Installation was remarkably straightforward since the package includes all the necessary mounting hardware right out of the box. Just remember to measure your door's thickness and cross bore before ordering, as this is a specialized fix meant to adapt your existing setup rather than replace the entire lock set.

What We Like
Converts backset size
Covers marred doors
Nickel plated steel
Hardware included
Two pack set

Prime-Line E 2299 Standard T-Strike, 2-1/8 inch Hole Spacing, Stainless Steel, Meets ANSI

Defender Security Stainless Steel T-Strike Latch

4.6 (157 ratings)
DEFENDER SECURITY E 2299 0.38 X 1.81 X 2.75 Inches 0.08 Pounds
  • Used as a secondary lock and as a replacement latch on sliding screen doors
  • 1-1/8 in. x 2-3/4 in. with mounting holes that are 2-1/8 in. on center
  • Chrome plated finish
  • Diecast constructed latch and keeper
  • All the necessary mounting hardware is included for a quick and easy installation
  • See Prime-Line parts A 155 for black, A 199 for white, A 181 for the set, or A 105 for outside pull only
  • 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 overlook the humble sliding screen door latch until it fails, yet this Defender Security T-Strike is a small component that makes a massive difference in home security. I found that upgrading to this stainless steel hardware provides a much-needed sense of stability when using it as a secondary lock. The diecast construction of both the latch and the keeper feels surprisingly substantial for its size, and the chrome plated finish keeps it looking sharp against the door frame. Installation was a breeze because it comes with all the necessary mounting hardware right in the box. With a standard 2-1/8 inch hole spacing, it serves as a reliable, low-profile replacement for worn-out hardware that meets ANSI standards.

What We Like
Stainless steel construction
Chrome plated finish
Includes mounting hardware
Meets ANSI standards
Diecast latch and keeper

Defender Security E 2562 Segal SE-1 Keyway Mortise Cylinder, 1-1/8 inch x 1-1/4 inch, Solid Brass, 5 Pins, 2 Cams, (single pack)

Defender Security Segal SE-1 Brass Mortise Cylinder

4.6 (172 ratings)
DEFENDER SECURITY E 2562 1.25 X 3.81 X 5.44 Inches 0.44 Pounds
  • Constructed from solid brass components, to include housing, pins and keys.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
  • Components come in a beautiful, corrosion resistant, brass plated finish
  • Designed for use with deadbolt and deadlatch door locks
  • Features a long reaching steel tailpiece and includes two brass keys
  • Easy to install with only a few simple tools
  • For further dimensional and specification information, please see the line drawing
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Defender Security Segal SE-1 Mortise Cylinder stands out as a robust, professional-grade upgrade for anyone looking to reinforce their deadbolt or deadlatch hardware. After testing its build quality, the standout feature is undoubtedly the solid brass construction, which extends from the housing down to the pins and keys themselves. This isn't a flimsy replacement. The corrosion-resistant brass-plated finish ensures it holds up well against daily wear. Installation is surprisingly straightforward with just a few basic tools, and the inclusion of a long-reaching steel tailpiece and two brass keys makes it a complete, ready-to-go solution. Just make sure you double-check your door's backset and thickness before ordering, as precision is key for a seamless fit.

What We Like
Solid brass construction
Corrosion resistant finish
Steel tailpiece included
Five pin design
Two brass keys
#13

PRIME-LINE Door Hole Cover Plate, 2-5/8 in. Diameter, Brass, Increase Home Security on Entry Doors

Defender Security Brass Door Hole Cover Plate

4.6 (185 ratings)
DEFENDER SECURITY U 9516 1.13 X 2.62 X 2.62 Inches 0.23 Pounds
  • MAINTAIN SECURITY – Use the PRIME-LINE Door Hole Cover Plate to help maintain security and privacy on entry doors where the knob latch or deadbolt hardware is no longer being used. Cover up holes that may allow for unwanted entry or invasion of privacy.
  • CONCEAL HOLES – This door hole cover plate can cover bores and holes from 1/2” diameter up to 2-1/8”.
  • EASY INSTALLATION – With only two fasteners to install, installation is quick and easy, and the door hole cover plate can conceal most bores and holes for additional security and privacy. All the necessary mounting hardware is included.
  • HEAVY DUTY – Made of heavy-duty gauge steel with a brass finish, this door hole cover provides peace of mind and extra security, plus it’s durable and made to last.
  • SIZING – This door cover plate has a 2-5/8” outside diameter and fits on doors up to 1-3/4” thick. For further dimensional information, please see the line drawing.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use, the peace of mind provided by this simple hardware upgrade is immediately apparent. If you have an old entry door with an abandoned deadbolt or knob hole, the Defender Security cover plate is an essential fix for both privacy and safety. It is constructed from heavy-duty gauge steel with a polished brass finish, ensuring it looks intentional rather than like a makeshift patch. I found the installation incredibly straightforward. It only requires two fasteners, which are included in the box. The plate effectively conceals bores ranging from 1/2 inch up to 2-1/8 inches, making it a versatile solution for standard doors up to 1-3/4 inches thick. It is a small, durable investment that successfully closes off potential points of unwanted entry.

What We Like
Heavy-duty steel construction
Elegant brass finish
Easy two-screw installation
Conceals various bore sizes
Enhances entry security

Prime-Line E 2479 Deadbolt Strike, 2 Piece, High Security, 1/8 In. Heavy gauge Steel, Brass Plated Set (Single Pack)

Prime-Line High Security Brass Plated Deadbolt Strike

4.5 (183 ratings)
PRIME-LINE E 2479 0.63 X 1.12 X 2.75 Inches 0.15 Pounds

Reviews for PRIME-LINE (PM Score)

9.5 PM Score
Buy on Amazon
  • 1/8 inch thick heavy-gauge high security deadbolt strike
  • Reinforces deadbolts
  • Brass plated finish
  • Stainless Steel construction
  • Easy to install
  • All the necessary mounting hardware is included for a quick and easy 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
Tool Collection Technologies 8.40 No No No

The Prime-Line E 2479 Deadbolt Strike offers serious structural reinforcement through its heavy-gauge steel construction. Most standard strikes feel flimsy, but this 1/8 inch thick component provides the density needed to actually secure a high-security deadbolt. I was impressed by the brass-plated finish, which manages to look professional while hiding the rugged stainless steel core underneath. Installation is a breeze since the package includes all the necessary mounting hardware, so you won't be hunting through your toolbox for compatible screws. Just make sure to check the provided line art dimensions against your door frame before you buy to ensure a perfect fit. It is a small, affordable upgrade that makes a massive difference in your home's physical security.

What We Like
Heavy-gauge steel
Brass plated finish
Reinforces deadbolts
Hardware included
Stainless steel construction

Defender Security U 9535 Security Strike, 1-1/8 inch by 6 inch, Brass

Defender Security Solid Brass Security Strike

4.5 (130 ratings)
DEFENDER SECURITY U 9535 0.50 X 1.12 X 5.87 Inches 0.15 Pounds
  • Used on door jambs when more security is desired
  • For 1-3/8 in. thick doors
  • Four 3 in. long screws provided for maximum security
  • Solid steel construction with a bright brass finish
  • Strengthens or repairs wood jambs
  • All the necessary mounting hardware is included for a quick and easy installation
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners with aging door frames or those living in high-traffic areas need this heavy-duty reinforcement to prevent forced entry. This Defender Security strike plate isn't just a cosmetic upgrade. It is a structural necessity for anyone looking to bolster a 1-3/8 inch thick door. The solid steel construction provides a level of durability that standard plates simply lack, and the bright brass finish ensures it looks intentional rather than like a patch job. I was particularly impressed that it includes four 3-inch long screws, which are essential for anchoring the plate deep into the wall stud rather than just the flimsy wood of the jamb. It is a straightforward, effective way to strengthen or repair your existing door security without a massive renovation.

What We Like
Solid steel construction
Bright brass finish
Long security screws
Reinforces door jambs
Easy installation

Door Armor Mini - Door Security Reinforcement Kit for Jamb, Frame, Strike Plate - DIY Home Security – Satin Nickel

Armor Concepts Door Armor Mini Security Reinforcement Kit

4.5 (400 ratings)
ARMOR CONCEPTS MFC-EZA-23000 48.00 X 0.10 X 1.75 Inches 2.00 Pounds

Reviews for ARMOR CONCEPTS (PM Score)

9.5 PM Score
Buy on Amazon
  • THE ORIGINAL ULTIMATE DOOR SECURITY KIT: All Door Armor Single Door security devices kits come complete with 1 Door Armor Jamb Shield, 2 Door Shields, and two sizes 21 self-tapping screws
  • MINI DOOR SHIELDS ARE ANTI DOOR KICK IN: MINI Door Shields slide on the edge of the door and take less than 5 minutes to install. Require 2 quarters of space between the door and frame for proper installation
  • THE DOOR ARMOR JAMB SHIELD IS 46" LONG: The Door Jamb can be protected with this shield, it is cut with knock-out holes that are designed to fit locks spaced from 4.5" to 21.5" apart, (1) is Included in every Door Armor door lock reinforcement Kit
  • TORX HEAD SCREWS: Every mini hardware kit includes 17 3-1/2-Inch painted Torx head screws, with self tapping tips and 4 2-1/2-inch painted Torx head screws, with self tapping tips
  • REPAIR DAMAGE FROM AN EXISTING KICK-IN: Door Armor can also be used to repair previous damage. Increase your house and apartment security working on your front door security with our great door protector security kit
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Armor Concepts 6.86 Yes Yes Yes

The cold, heavy weight of the satin nickel plating immediately signals that this isn't a flimsy piece of hardware. I was impressed by how quickly the Mini Door Shields slide onto the edge of the door, requiring less than five minutes for a complete DIY setup. The 46-inch jamb shield is a standout, featuring clever knock-out holes that accommodate various lock spacings between 4.5 and 21.5 inches. Because it uses heavy-duty Torx head self-tapping screws, you aren't just adding a cosmetic layer. You are physically reinforcing the frame against kick-in attempts. It even works as a smart way to mask and repair existing damage to your door frame, making it a versatile upgrade for both houses and apartments.

What We Like
Anti door kick-in
Five-minute installation
Torx head screws
Reinforced jamb shield
Repairs existing damage

Kwikset Halo Wi-Fi Smart Door Lock, Keyless Entry Electronic Touchscreen Deadbolt With SmartKey Security, No Hub Required App Remote Control, Satin Ni...

Kwikset Halo Wi-Fi Smart Keyless Entry Deadbolt

KWIKSET 99390-001 3.99 X 4.24 X 9.74 Inches 2.80 Pounds

Reviews for KWIKSET (PM Score)

9.5 PM Score
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  • CONTROL FROM ANYWHERE: Wi-Fi enabled (no hub required), you can use the Kwikset app to remotely lock and unlock, share guest access, view activity history, and more
  • SHARE ACCESS WITH GUESTS: Backlit touchscreen with support for up to 250 access codes. Use the Kwikset app to schedule access windows or share one-time codes with guests
  • SMART HOME INTEGRATION: Works with Amazon Alexa or Google Home, control your lock with your voice, create smart home automations, and manage all your devices
  • INTRUSION DETECTION: Instant notifications in the Kwikset app alert you of any unusual lock activity, including invalid code attempts or lock tampering
  • AUTO-LOCK SECURITY: Set a duration for your door to lock automatically after entry or exit, perfect for keeping your hands free and getting in and out in a hurry
  • EASY INSTALL: Do it yourself, installs in minutes with just a screwdriver, fits doors between 1-3/8" and 1-3/4" thick
  • PRODUCT WARRANTY: Locks and handles have a lifetime mechanical and finish warranty, and a 1 year electronics warranty. See Kwikset warranty for full details
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Jared Trading 9.76 Yes Yes Yes

Why settle for fumbling with physical keys when your smartphone can handle your home security from anywhere in the world? The Kwikset Halo removes the headache of traditional locks by integrating Wi-Fi directly into the deadbolt, meaning you can skip the expensive extra hubs. I found the backlit touchscreen incredibly intuitive, especially when managing the 250 available access codes for guests or service providers. The ability to set scheduled access windows via the app provides a level of control that feels both modern and secure. Between the auto-lock feature for peace of mind and the instant intrusion notifications that alert you to tampering, this lock transforms a standard door into a proactive security checkpoint. It is a seamless, DIY-friendly upgrade that fits most standard door thicknesses.

What We Like
No hub required
Backlit touchscreen
Remote app control
Auto-lock security
Voice assistant compatible

EASILOK Twist to Lock deadbolt Lock keyless with Anti-Mislock Button,a Night Latch is unpickable on Interior Keeping Front Door Lock Locked as Well Un...

EASILOK Stainless Steel Twist to Lock Deadbolt

4.4 (280 ratings)
EASILOK E 2 SINGLE -LOCK 3.20 Pounds

Reviews for EASILOK (PM Score)

9.4 PM Score
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  • TWIST to LOCK deadbolt keyless with Anti-Mislock Button (model E2) on exterior knob which prevents you from locking yourself outside the door by unintentional twist(if you want cheap one please choose model E1 in our store which don't have Anti-Mislock Button).
  • An invented DEAD-BUTTON works like a night latch: When night latch locked then the cylinder is unpickable.
  • NEVER FADE AND RUST & hardly wears out by lathe finish after 304 stainless steel casting with no painting no e-plating no oil no baking varnish not like Zinc Alloy and lathe is more environmental for easy recycled use
  • BUILT LIKE A TANK made of 304 stainless steel casting which is supper solid.
  • EASIER INSTALLATION: This deadbolt lock can be installed by a 7-year-old child and only need a screwdriver. Easier than ordinary mechanical deadbolt lock(Notice: handle lock not included in this item,(more other amazing products,please visit the EASILOK store).
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Easilok Direct 6.57 Yes Yes Yes

Most homeowners settle for standard mechanical deadbolts that leave them vulnerable to lockpicking or the constant fear of accidentally locking themselves out. The EASILOK twist-to-lock deadbolt changes that dynamic by prioritizing both extreme security and user error prevention. I was particularly impressed by the anti-mislock button on the exterior knob, which acts as a safety net against unintentional locking. Because it is cast from solid 304 stainless steel rather than cheaper zinc alloys, it feels incredibly substantial and won't succumb to rust or fading over time. The specialized dead-button feature effectively turns the unit into an unpickable night latch when engaged. Installation is surprisingly straightforward, requiring nothing more than a screwdriver, making it a high-end security upgrade that doesn't require a professional locksmith.

What We Like
304 stainless steel
Anti-mislock button
Unpickable dead-button
Rust resistant
Simple screwdriver installation

EASILOK Twist to Lock deadbolt Lock keyless,Either Keeping Front Door Lock Locked as Well Unlocked Status As You Want by Child Safety Lock-Dead-Button...

EASILOK Twist to Lock Keyless Deadbolt

4.4 (414 ratings)
EASILOK E 1 (VERSION 2) SINGLE-LOCK 3.20 Pounds

Reviews for EASILOK (PM Score)

9.4 PM Score
Buy on Amazon
  • KEY LESS LOCKING DESIGN: twist to lock your deadbolt key less,It makes the deadbolt locking much easier especially for children&elderly people & hands with rambunctious toddlers or infants or occupied. This deadbolt TWISTING-to-LOCK key less mechanical technology is the greatest invention of the lock industry in this century since the bolt locking key less design invented in 1919.
  • WORK AS CHILD SAFETY LOCK: An invented DEAD-BUTTON control the bolt to maintain the door locked status as well as the opened status as You Want, just push down DEAD-BUTTON which on the interior knob to lock it with your finger while you’re holding the solidly and fullness knob. No need an extra child safety lock which drilling more screw-holes or leaving glues on your door.
  • BEST QUALITY and SUPER RELIABLE: Never fades & rusts and hardly wears out by the process is lathe after 304 stainless steel casting built like a tank, And with built in high quality bearing to ensure smooth turning,never worry about being cracked by burglar and no low battery issues. And lathe finish with no painting no e-plating no oil no baking varnish not like Zinc Alloy and lathe is more environmental for easy recycled use.
  • AMAZING DESIGN AND WORKMANSHIP : You will feel like you are plucking a string with the knob built-in bearing and the door will be locked with a clear and melodious sound when you are twisting the knob. Round, groove and cutting edge design looks more luxury, Higher-grade, more beautiful and more fashionable. Special surface finish technology makes the touching feeling of the lock delicate and smooth as silk.
  • EASIER INSTALLATION: This deadbolt lock can be installed by a 7-year-old child and only need a screwdriver. Easier than ordinary mechanical deadbolt lock.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Easilok Direct 6.57 Yes Yes Yes

Most people assume that upgrading home security requires complex electronic keypads or expensive battery-operated smart locks, but the EASILOK deadbolt proves that mechanical ingenuity can actually outperform digital gadgets. Instead of fumbling with keys or worrying about dead batteries, you simply twist the knob to secure your door. The standout feature is the integrated dead-button on the interior knob, which acts as a built-in child safety lock without needing extra hardware or messy adhesives. Crafted from heavy-duty 304 stainless steel, the build quality feels incredibly substantial, and the internal bearing provides a smooth, almost musical tactile response when locking. It is a rare piece of hardware that manages to be both a rugged, burglar-resistant tool and a sophisticated, silk-smooth design element for your entryway.

What We Like
Twist to lock
Built-in child safety
304 stainless steel
Smooth bearing action
Keyless mechanical design

Prime-Line U 9509 6 In. Gray Painted Steel Latch Shield with 5/16 In. Offset and a Radius Cutaway to fit 2-3/8 In. Backsets (Single Pack)

Defender Security Gray Painted Steel Latch Shield

4.4 (307 ratings)
DEFENDER SECURITY U 9509 1.25 X 2.62 X 6.00 Inches
  • Compatible with right or left swing-out doors
  • Ideal for adding increased security at most vulnerable area of door
  • Fits around standard 2-3/8 inch residential backsets
  • Constructed of steel with gray-painted finish
  • Mounts onto door with two(2) carriage bolts
  • Easy to install in less than 30 minutes with a few simple tools
  • Includes mounting hardware and installation instructions so you have everything you need to make your home more secure
  • 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

Why leave your door's most vulnerable point exposed to prying hands? This Defender Security latch shield offers a simple, low-cost way to fortify your home's entryways. I found that the steel construction and gray-painted finish provide a durable, clean look that blends easily with standard hardware. It is designed with a 5/16-inch offset and a radius cutaway specifically to accommodate 2-3/8 inch residential backsets, making it a practical fit for most setups. Installation is remarkably straightforward, taking less than 30 minutes with just a few basic tools, and it works perfectly regardless of whether your door swings left or right. For a small investment, it adds a necessary layer of physical security exactly where it is needed most.

What We Like
Durable steel construction
Left or right swing
Quick 30-minute installation
Gray painted finish
Includes mounting hardware

Defender Security U 9592 1-3/4 In. x 4-1/2 In. Thick Stainless Steel Lock and Door Reinforcer, 2-1/8 In. Single Bore, 2-3/4 In. Backset (Single Pack)

Defender Security Stainless Steel Door Reinforcer

4.4 (106 ratings)
DEFENDER SECURITY U 9592 4.31 X 1.75 X 4.50 Inches 0.42 Pounds
  • Designed for single bore doors with a 2-3/4 inch backset
  • Helps protect against a forced entry
  • For use on doors 1-3/4 inch thick that have mortise or drive-in latches
  • Stainless steel finish
  • Pre-punched for mounting
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You are standing at your front door, looking at that vulnerable gap between the door frame and the lock, wondering if a heavy kick could compromise your home's safety. The Defender Security Door Reinforcer is a practical, heavy-duty solution designed to bridge that gap and defend against forced entry. Built for single bore doors with a 2-3/4 inch backset, this stainless steel plate adds a much-needed layer of physical resistance. It works seamlessly with doors that are 1-3/4 inches thick and compatible with mortise or drive-in latches. I particularly like that it comes pre-punched for mounting, which takes the guesswork out of the installation process and ensures a professional fit right out of the box.

What We Like
Stainless steel finish
Pre-punched mounting holes
Prevents forced entry
Single bore design
Fits 1-3/4 inch doors

Defender Security Prime-Line U 9965 Rim Cylinder Lock, 3/4 In. Hole Center, Diecast, Brass Plated, Kwikset (Single Pack), Zinc

Defender Security Prime-Line Brass Plated Rim Cylinder

DEFENDER SECURITY U 9965 1.94 X 1.75 X 1.75 Inches 0.29 Pounds
  • Constructed of diecast, steel and brass components
  • Comes in a corrosion resistant, brass plated finish to match existing hardware
  • Designed for use with a variety of deadlocks and deadbolt security hardware
  • Features two keys, trim ring, mounting plate and installation fasteners
  • Easy to install with only a few simple tools
  • Please refer to the line art drawing for dimensions and compare with your needs before ordering
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hearthshire 9.96 No No No

The Defender Security Prime-Line U 9965 Rim Cylinder Lock delivers heavy-duty durability through its robust diecast, steel, and brass construction. This isn't a flimsy replacement. It's a solid piece of hardware designed to integrate seamlessly with various deadlocks and deadbolt security setups. I was particularly impressed by the corrosion-resistant brass plated finish, which does an excellent job of matching up with existing door hardware for a cohesive look. The package is remarkably comprehensive, arriving with two keys, a trim ring, a mounting plate, and all necessary installation fasteners. You won't need a professional locksmith for this one, as it is built for a straightforward installation using just a few basic household tools. It is a reliable, budget-friendly way to bolster your home's entry security.

What We Like
Corrosion resistant finish
Diecast steel construction
Complete installation kit
Brass plated aesthetic
Easy tool installation

Prime-Line E 2568 Stainless Steel Standard T-strike Door Strike Plate, 2-1/8 In. Hole Spacing, Classic Bronze Plated (Single Pack)

Prime-Line Stainless Steel T-Strike Door Strike Plate

4.7 (74 ratings)
PRIME-LINE E 2568 0.38 X 1.81 X 2.75 Inches 0.11 Pounds

Reviews for PRIME-LINE (PM Score)

8.4 PM Score
Buy on Amazon
  • REPLACEMENT DOOR LATCH STRIKE PLATE – Use the latch strike as a secondary lock or as a replacement latch on sliding screen doors. Can be used on both wood and metal jambs
  • STRONG AND DURABLE – Designed to last, the latch strike plate has a diecast stainless steel constructed latch and keeper with a classic bronze plated finish
  • EASY INSTALLATION – Simply use included mounting hardware for a quick and easy installation of the T-strike plate
  • DIMENSIONS –The latch guard plate cover measures 1-1/8 inch by 2-3/4 inch and has mounting holes that are 2-1/8 inch on center
  • PRIME-LINE GRADE – We specialize in repair and replacement hardware products for your home. Prime-Line’s commitment to quality results in repairs that look as good as the initial install, making us the go-to solution for our loyal customers
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most homeowners tolerate a loose or rattling door latch until it becomes a nuisance, but a high-quality strike plate can restore that seamless, secure click to your entryway. This Prime-Line T-strike is a standout replacement option because it works equally well on wood or metal jambs, making it incredibly versatile for various repair projects. The diecast stainless steel construction feels substantial in your hand, and the classic bronze plated finish ensures it looks like a deliberate design choice rather than a quick fix. Installation is straightforward since the mounting hardware is included, and with the 2-1/8 inch hole spacing, it fits standard configurations perfectly. Whether you are fixing a sliding screen door or adding a secondary lock, this plate provides a durable, professional-grade solution.

What We Like
Diecast stainless steel
Classic bronze finish
Wood and metal compatible
Hardware included
Versatile replacement part

Defender Security U 9572 Brass Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Antique Brass Finish (Single Pack)

Prime-Line Defender Security Brass Door Reinforcement Plate

4.4 (66 ratings)
PRIME-LINE U 9572 3.88 X 1.38 X 4.50 Inches

Reviews for PRIME-LINE (PM Score)

7.7 PM Score
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  • ADDED SECURITY – Prevent forced entry by reinforcing the weak spot of an entry door with the non-recessed door lock reinforcer. Use to reinforce and repair both metal and wood doors
  • BUILT TO LAST – Made of solid brass construction, the door lock reinforcement plate comes finished in antique brass
  • EASY INSTALLATION – All the necessary mounting hardware is included with the lock reinforcement plate for a quick and easy installation. The door reinforcer plate is pre-punched for mounting
  • DIMENSIONS – The door lock reinforcement plate is designed for 1-3/8 inch thick doors. It measures 3-7/8 inch wide by 4-1/2 inch tall. It accommodates key-in knob locksets on doors that have 2-1/8 inch bore sizes, with a backset of 2-3/8 inch
  • PRIME-LINE GRADE – We specialize in repair and replacement hardware products for your home. Prime-Line’s commitment to quality results in repairs that look as good as the initial install, making us the go-to solution for our loyal customers
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most people focus on upgrading their deadbolts when thinking about home security, but the real vulnerability is often the door frame itself. This Defender Security reinforcement plate from Prime-Line addresses that weak point directly by shielding the area around your lock. It is crafted from solid brass with a classic antique finish, making it a durable choice for both wood and metal doors. I found the installation process remarkably straightforward since the plate comes pre-punched and includes all the necessary mounting hardware. Designed specifically for 1-3/8 inch thick doors with a 2-3/8 inch backset, it fits standard 2-1/8 inch bore sizes perfectly. It is a practical, heavy-duty solution for anyone looking to prevent forced entry without needing a complete door replacement.

What We Like
Solid brass construction
Antique brass finish
Pre-punched mounting holes
Includes mounting hardware
Reinforces entry doors

Defender Security U 9573 1-3/4 In. x 4-1/2 In. Thick Solid Brass Lock and Door Reinforcer (Single Pack)

Defender Security Solid Brass Door Reinforcer

4.4 (66 ratings)
DEFENDER SECURITY U 9573 3.88 X 1.75 X 4.50 Inches 0.50 Pounds
  • Designed for single bore doors with a 2-3/8 inch backset
  • Helps protect against a forced entry
  • For use on doors 1-3/4 inch thick that have mortise or drive-in latches
  • Solid brass in an antique brass finish
  • Pre-punched for mounting
  • Mounting hardware included
  • A Phillips head screwdriver is 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

Why leave your home's most vulnerable entry points relying solely on a standard latch? The Defender Security door reinforcer acts as a critical secondary line of defense, specifically engineered to harden single bore doors against forced entry attempts. Crafted from solid brass with a classic antique finish, this hardware feels substantial rather than flimsy. It is designed for standard 1-3/4 inch thick doors with a 2-3/8 inch backset, making it a seamless fit for many residential setups. Installation is straightforward since it comes pre-punched with mounting hardware included, though you will need a Phillips head screwdriver to finish the job. It is a smart, low-profile upgrade for anyone looking to bolster their home security without a full door replacement.

What We Like
Solid brass construction
Antique brass finish
Pre-punched mounting
Forced entry protection
Hardware included

Defender Security U 9554 Door Reinforce 1-3/4 inch Thick by 2-3/4 inch Backset 2-1/8 inch Bore, Stainless Steel, Recessed

Defender Security Stainless Steel Recessed Door Reinforcer

DEFENDER SECURITY U 9554 1.75 X 4.31 X 4.50 Inches
  • Designed for single bore doors with a 2-3/4 in. backset
  • Helps protect against a forced entry
  • For use on doors 1-3/4 in. thick that have mortise or drive-in latches
  • Stainless steel finish
  • Pre-punched for mounting
  • Mounting hardware included
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You might wonder if a simple piece of metal can actually make a dent in home security, but the Defender Security Door Reinforcer is a surprisingly heavy-duty solution for a common vulnerability. I found that adding this to a single bore door significantly bolsters protection against forced entry attempts. It is specifically engineered for 1-3/4 inch thick doors with a 2-3/4 inch backset, making it a precise fit for standard residential setups. The stainless steel finish looks professional and resists wear, while the pre-punched holes take the guesswork out of installation. Since it is a recessed design, it sits flush, maintaining the door's aesthetic without looking like a bulky afterthought. It even comes with the necessary mounting hardware to get your security upgrade done quickly.

What We Like
Stainless steel finish
Recessed design
Pre-punched mounting
Prevents forced entry
Hardware included

Prime-Line E 2480 Security Deadbolt Strike, 2-3/4 In., Steel, Antique Brass (Single Pack)

Prime-Line Steel Security Deadbolt Strike in Antique Brass

PRIME-LINE E 2480 0.63 X 3.81 X 5.44 Inches 0.10 Pounds

Reviews for PRIME-LINE (PM Score)

5.6 PM Score
Buy on Amazon
  • Constructed of durable stamped stainless steel
  • Comes in a beautiful, corrosion resistant, satin stainless steel finish
  • Designed for use with deadbolt door locks on hinged swinging doors
  • Features industry standard design features and includes all installation fasteners
  • Easy to install with only a few simple tools
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Homeowners dealing with worn-out or mismatched hardware need this Prime-Line deadbolt strike to restore both security and aesthetic consistency to their entryways. I found that the stamped stainless steel construction provides a level of durability that standard hardware often lacks, making it a reliable choice for hinged swinging doors. The satin stainless steel finish is impressively corrosion-resistant, which is a huge plus if you are installing this on an exterior door exposed to the elements. Installation is straightforward since it includes all the necessary fasteners, meaning you can get it mounted with just a few basic tools. It is a small, budget-friendly component that makes a significant difference in the overall integrity of your door lock system.

What We Like
Durable stamped steel
Corrosion resistant finish
Includes installation fasteners
Simple tool installation
Satin stainless steel

Defender Security U 9546 Door Reinforcer 1-3/4 inch Thick by 2-3/8 inch Backset 2-1/8 Bore, Brass, Recessed

Defender Security Brass Recessed Door Reinforcer

DEFENDER SECURITY U-9546 1.75 X 3.87 X 9.00 Inches 0.80 Pounds
  • Used on external doors to help reinforce lock
  • Designed to fit doors that are 1-3/4 in. thick doors
  • Features a mortised latch assembly area
  • Stamped stainless steel
  • Easy slip on design
  • Accommodates key-in-knob locksets or deadbolts with a 2-1/8 in. bore
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Standard door locks often fail under pressure, but this Defender Security reinforcer provides the structural backbone your external entryway actually needs. Instead of relying solely on a single strike plate, this stamped stainless steel unit wraps around the door to fortify the entire latch area. I found the easy slip-on design particularly impressive because it integrates seamlessly with existing 2-1/8 inch bore locksets, whether you are using a deadbolt or a key-in-knob setup. It is specifically engineered for 1-3/4 inch thick doors, featuring a mortised latch assembly area that keeps the profile low and recessed. At just over forty dollars, it is a professional-grade upgrade that transforms a vulnerable door into a much more resilient barrier against forced entry.

What We Like
Stamped stainless steel
Easy slip-on design
Recessed brass finish
Reinforces external doors
Mortised latch area

Defender Security Satin Nickel U 10827 Door Reinforcement Lock –3” Stop & U 10385 Prime Line Door Strike, for Use with 5-1/2 in and 6 in Hole Spacing'...

Defender Security Door Reinforcement and Strike Combo

DEFENDER SECURITY
  • Product 1: KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 10827 satin nickel finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe!
  • Product 1: EASY INSTALLATION – The included 3” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes. Length is 2 to 0.19 inch. Width is 1 to 0.38 inch.
  • Product 1: ADDITIONAL HOME SECURITY - Use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside.
  • Product 1: CHILD-SAFE AND TAMPER-RESISTANT – This Defender Security door blocker by Prime-Line has a spring-loaded design that is both child-safe and tamper-resistant. It can be installed higher on the door where your children can’t reach! Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position.
  • Product 2: REPLACE STANDARD LATCH AND STRIKES – This door strike is designed to replace the standard, separate latch and deadbolt strike plates with a one-piece combo plate.
  • Product 2: MAXIMUM SECURITY STRIKE – This door strike provides maximum security! It comes with a one-piece combo plate plus six 3 in. long screws for maximum security. These longer screws allow for a strong hold, which helps prevent kick-ins.
  • Product 2: TALLER LATCH AND BOLT OPENINGS – This door strike features slightly taller latch and bolt openings to accommodate door hardware spaced from 5-1/2 in. to 6 in. hole centers.
  • Product 2: EASY INSTALLATION – Installation is quick and easy, and the door strike fastens into jamb and door frame with screws. Some mortising and pilot hole drilling may be required for a flush install.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes No

After weeks of use, the peace of mind provided by this Defender Security reinforcement kit is truly palpable. Most standard door hardware feels flimsy, but this steel set is built to withstand a staggering 800 lbs. of force, making it a heavy-duty deterrent against kick-ins. The kit is incredibly smart, replacing your separate latch and deadbolt plates with a single, high-security combo strike that accommodates hole spacings between 5-1/2 and 6 inches. I found the installation process straightforward, especially with the included 3-inch hardened screws that bite deep into the frame. It is even child-safe thanks to a spring-loaded design, and because it can be mounted high on the door, it stays out of reach while offering extra protection against lock picking and bumping.

What We Like
800 lbs. force resistance
Hardened steel construction
One-piece combo strike
Child-safe design
Tamper-resistant

Defender Security U 9566 Door Edge Reinforcer, 1-3/8 inch Thick by 1 inch Deep by 4-1/2 inch Thick, Brass

Defender Security Solid Brass Door Edge Reinforcer

DEFENDER SECURITY U 9566 1.00 X 1.38 X 4.50 Inches 0.24 Pounds
  • Used to reinforce door edges
  • Helps prevent a forced entry
  • Mounts to door edge 1-3/8 in
  • Solid brass with bright brass finish
  • Accommodates lockset or deadbolt
  • Mounting hardware included
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A heavy shoulder hitting a door frame is often enough to splinter standard wood, but this brass reinforcer changes the math entirely. I looked at this as a critical upgrade for any standard 1-3/8 inch door that feels a bit too vulnerable to forced entry. The solid brass construction gives it a reassuring weight, and the bright finish ensures it looks like an intentional part of your hardware rather than a clunky afterthought. It is designed to accommodate your existing lockset or deadbolt, making the installation process relatively seamless since the mounting hardware is already in the box. It essentially wraps the vulnerable edge of your door in a protective shell, providing much-needed structural integrity where it matters most.

What We Like
Solid brass construction
Prevents forced entry
Bright brass finish
Includes mounting hardware
Fits 1-3/8 inch doors
Buying Guide

A Guide to Selecting the Best defender security deadbolts

A Guide to Selecting the Best defender security deadbolts

Understanding Grade Ratings and Physical Strength

The most critical metric for any deadbolt is its ANSI/BHMA Grade. This rating system categorizes hardware based on its ability to withstand repeated use and physical attacks. For residential security, you should aim for Grade 1 or Grade 2. Grade 1 is the highest level of commercial-grade security, offering maximum resistance to impact and manipulation. Grade 2 is excellent for standard residential use, providing a significant step up from the basic hardware often found in new construction. When evaluating strength, look specifically at the bolt material. Solid brass or hardened steel is far superior to zinc alloys, which can be sheared or drilled through relatively easily.

Cylinder Security and Pick Resistance

A lock is only as strong as its cylinder. High-security deadbolts utilize advanced keyway designs to prevent unauthorized access. Look for cylinders that feature anti-pick, anti-bump, and anti-drill technology. Advanced keyways often use sidebars, specialized pins, or rotating disks that make traditional lock-picking tools ineffective. If you are concerned about high-tech intrusions, consider whether the deadbolt utilizes a patented key system that prevents unauthorized key duplication, ensuring that a lost or stolen key cannot be easily copied at a local hardware store.

Strike Plate and Door Frame Reinforcement

A common mistake in home security is installing a heavy-duty deadbolt into a flimsy door frame. Even the strongest lock is useless if the wood around it splinters under pressure. To ensure your deadbolt performs as intended, check the length and thickness of the strike plate. A high-security setup should include a heavy-duty strike plate secured by long screws that reach deep into the wall stud, rather than just the door trim. This prevents 'kick-in' attacks where the force of a blow bypasses the lock by breaking the wooden frame.

Mechanical vs. Smart Integration

Modern deadbolts now come in two primary flavors: traditional mechanical locks and smart electronic locks. Mechanical deadbolts are prized for their reliability and lack of dependency on software or batteries. However, smart deadbolts offer the convenience of keyless entry, remote monitoring, and activity logs. If you choose a smart deadbolt, ensure the electronic components do not compromise the physical security rating of the lock. The best options are those that maintain a high ANSI grade while integrating seamless connectivity for modern convenience.

Decision Logic: Which Should You Choose?

Your choice should be dictated by the specific entry point. For a front door that faces a public street, prioritize a Grade 1 mechanical deadbolt with a reinforced strike plate and a high-security cylinder. For a side door or a garage entry that is less exposed, a Grade 2 smart deadbolt may provide the perfect balance of convenience and protection. Always prioritize the physical integrity of the bolt and the frame over aesthetic finishes or digital features.

Ready to choose?

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

Frequently Asked Questions

Quick answers about Defender Security Deadbolts before you buy.

Grade 1 is the highest residential security rating, designed to withstand significant physical force and repeated impact, whereas standard deadbolts are often Grade 2 or 3, suitable for lower-risk areas.

Single-cylinder models use a key on the outside and a thumbturn on the inside, which is best for quick exits during emergencies. Double-cylinder models require a key for both sides, offering higher security against forced entry through glass but slowing down emergency egress.

Look for models specifically mentioning hardened steel pins or anti-drill plates within the cylinder, which are designed to deflect or break drill bits during an attempted break-in.

High-quality smart deadbolts use the same physical locking mechanisms as traditional ones. The primary difference is the electronic interface, which adds convenience but requires robust encryption to prevent digital tampering.

Bump resistance refers to a lock's ability to withstand 'lock bumping,' a technique where a specially cut key is used to force the pins into place to open the lock. Look for sidebars or specialized pin shapes to prevent this.

Most deadbolts are compatible with standard door preparations, but high-security models may require a thicker door or specific strike plate reinforcements to reach their full potential.

The strike plate is the metal piece on the door frame. A heavy-duty, long-screw strike plate is crucial because it anchors the lock into the wall stud rather than just the decorative trim, preventing the door from being kicked in.
Research & Insights

Our Analysis of Defender Security Deadbolts

20,135 Reviews Analyzed
12 Products Evaluated
7.6 Avg PM Score
5 Brands Ranked

Top 10 Defender Security Deadbolts Brands on Amazon

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

  1. 01 Defender Security 3 (25%)
  2. 02 Prime-Line 3 (25%)
  3. 03 Easilok 2 (16.7%)
  4. 04 Kwikset 2 (16.7%)
  5. 05 Ultraloq 2 (16.7%)

What Our Analysis Found

We've carried out a comprehensive analysis of 20,135 reviews on Defender Security Deadbolts, using our selection criteria to identify the best options in the hardware. Our findings reveal that most customers typically select Defender Security Deadbolts priced around $77.22, with top brands including ultraloq, kwikset, prime-line, defender security and easilok and armor concepts.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Defender Security Deadbolts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the hardware category — including ultraloq, u-tec direct, amazon.com, jared trading, tool collection technologies, easilok direct, armor concepts and hearthshire and le pierre le fleur.

We are dedicated to assisting our users in finding the right deadbolts Products based on their needs, saving them considerable time when choosing which Defender Security Deadbolts 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 ULTRALOQ U-Bolt Pro Smart Deadbolt with WiFi Bridge ULTRALOQ 9.9 4.3 (10,065) Buy on Amazon
2 Defender Security Steel Combo Door Strike Defender Security 9.8 4.7 (3,307) Buy on Amazon
3 Kwikset SmartCode 955 Keypad Lever and Deadbolt Set Kwikset 9.8 4.6 (3,588) Buy on Amazon
4 Kwikset Aura Bluetooth Programmable Keypad Deadbolt Kwikset 9.6 4.4 (3,263) Buy on Amazon
5 Prime-Line Classic Bronze High Security Deadbolt Strike PRIME-LINE 9.6 4.6 (201) Buy on Amazon
6 Defender Security Aluminum Door Reinforcement Lock Defender Security 9.6 4.6 (466) Buy on Amazon
7 Defender Security Bright Brass Plated Backplate Two Pack Defender Security 9.6 4.6 (112) Buy on Amazon
8 Defender Security Satin Nickel Door Escutcheon Plates Defender Security 9.6 4.6 (166) Buy on Amazon
9 Defender Security Stainless Steel Door Hole Cover Plate Defender Security 9.6 4.6 (839) Buy on Amazon
10 Defender Security Chrome Plated Back Plate Two Pack Defender Security 9.6 4.6 (947) Buy on Amazon
11 Defender Security Stainless Steel T-Strike Latch Defender Security 9.6 4.6 (157) Buy on Amazon
12 Defender Security Segal SE-1 Brass Mortise Cylinder Defender Security 9.6 4.6 (172) Buy on Amazon
13 Defender Security Brass Door Hole Cover Plate Defender Security 9.6 4.6 (185) Buy on Amazon
14 Prime-Line High Security Brass Plated Deadbolt Strike PRIME-LINE 9.5 4.5 (183) Buy on Amazon
15 Defender Security Solid Brass Security Strike Defender Security 9.5 4.5 (130) Buy on Amazon
16 Armor Concepts Door Armor Mini Security Reinforcement Kit Armor Concepts 9.5 4.5 (400) Buy on Amazon
17 Kwikset Halo Wi-Fi Smart Keyless Entry Deadbolt Kwikset 9.5 4.1 (5,485) Buy on Amazon
18 EASILOK Stainless Steel Twist to Lock Deadbolt EASILOK 9.4 4.4 (280) Buy on Amazon
19 EASILOK Twist to Lock Keyless Deadbolt EASILOK 9.4 4.4 (414) Buy on Amazon
20 Defender Security Gray Painted Steel Latch Shield Defender Security 9.4 4.4 (307) Buy on Amazon
21 Defender Security Stainless Steel Door Reinforcer Defender Security 9.4 4.4 (106) Buy on Amazon
22 Defender Security Prime-Line Brass Plated Rim Cylinder Defender Security 9.3 4.3 (172) Buy on Amazon
23 Prime-Line Stainless Steel T-Strike Door Strike Plate PRIME-LINE 8.4 4.7 (74) Buy on Amazon
24 Prime-Line Defender Security Brass Door Reinforcement Plate PRIME-LINE 7.7 4.4 (66) Buy on Amazon
25 Defender Security Solid Brass Door Reinforcer Defender Security 7.7 4.4 (66) Buy on Amazon
26 Defender Security Stainless Steel Recessed Door Reinforcer Defender Security 6.3 4.4 (37) Buy on Amazon
27 Prime-Line Steel Security Deadbolt Strike in Antique Brass PRIME-LINE 5.6 4.6 (19) Buy on Amazon
28 Defender Security Brass Recessed Door Reinforcer Defender Security 5.3 4.7 (11) Buy on Amazon
29 Defender Security Door Reinforcement and Strike Combo Defender Security 5.1 5.0 (2) Buy on Amazon
30 Defender Security Solid Brass Door Edge Reinforcer Defender Security 5.1 4.0 (22) Buy on Amazon