The Best Medeco Double Cylinder Deadbolt of 2025 – Reviewed and Top Rated

2,518 Reviews Scanned

Rank No. #1

BRINKS. Double Cylinder Keyed Deadbolt Lock, Satin Nickel - Pick, Bump and Drill Resistant and Comes with an Anti-Pry Shield

Meets ANSI Grade 2 standards for pick, drill and bump resistance
Durable metal construction with 1 inch deadbolt and steel anti-saw pin
4-way adjustable latch that fits any 2-3/8" or 2-3/4" backset
Easy to install and fits all doors 1 3/8 inch to 1 3/4 inch thick

Rank No. #2

Medeco 11TR50319 Maxum Residential Single Cylinder Deadbolt, Satin Nickel, High Security Restricted M3 Keyway, Keyed Different

Medeco patented technology. #1 Rated Deadbolt.
Uses key outside - thumb turn inside.
No unauthorized key duplication.
Bump and pick proof.
Locks are keyed different.

Rank No. #3

Kwikset 665-S Double Cylinder Deadbolt with SmartKey from The 660 Series - Satin Nickel

Double cylinder locks are keyed on both sides of the door and can only be locked and unlocked via a key. Please check local codes before installing

Rank No. #4

Schlage B62 N 626 Deadbolt, Keyed 2 Sides, Highest Residential Security, Satin Chrome

IDEAL USE: Deadbolt thrown or retracted by key from outside or by inside turn unit; perfect for use on entry doors with 2 bore holes as additional layer of security; includes lockset and 2 keys
ADVANCED SECURITY FEATURES: Ideal for front doors and exterior entrances where security and style are needed; includes industry-leading 1-inch deadbolt with hardened steel spinning pin, anti-drill plates and anti-pick pins to help protect against attacks such as kick-ins, prying, drilling, or picking and bumping
CERTIFIED HIGHEST SECURITY: Premium metal construction and quality craftsmanship for everyday strength and peace of mind; Grade 1/AAA certified BHMA rating for Security, Durability and Finish
EASY INSTALLATION: Self-aligning screw holes make installation easy and hassle-free; everything included to upgrade double bore hole doors such as exterior doors with keyed security; fits both right and left handed doors; upgrade an existing door handle yourself with no skill required--easy to install in minutes with only a screwdriver
HASSLE-FREE FIT: Universal latch slides easily into place to fit standard doors with 2-3/8" or 2-3/4" backsets and requires no tools; fits door thickness 1-3/8" to 1-7/8"; includes integrated strike reinforcer with 3" screws to help protect against kick-in attacks

Rank No. #5

SCHLAGE Double Cylinder Deadbolt, Satin Brass (B62 N 608)

For more than 95 years, Schlage has offered durable door hardware in a range of unique style combinations to express any personality
Unique Snap & Stay design holds deadbolt in place while tightening screws
Deadbolt thrown or retracted by key from either side
Easy installation with Phillips screwdriver

Last update on 2025-07-10 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Specifications: How powerful they are can be measured.
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FAQ:

Q: What are the functions of a Medeco Maxum deadbolt?

A: There are three functions to choose from: Single Cylinder, which uses a thumbturn on the inside of the lock, Double Cylinder which uses a key on both sides of the door to lock and unlock; and Removable thumbturn, which uses a thumbturn on the inside that can be removed easily. Medeco Maxum Deadbolt vs. A Kicking Attack | Medeco Locks

Q: What are the features of the Medeco 3 Key System?

A: Angled cuts on the keys, along with fore and aft positioning, in the Medeco 3 design, provide added dimensions that dramatically increases key combinations and enables Medeco® to produce some of the largest master key systems in the industry.

Q: What kind of patent does medeco3 stand for?

A: The Medeco3 design offers a utility patent that provides protection against unauthorized key duplication.

Q: What kind of BHMA certification does Maxum deadbolt have?

A: Control Over Your Keys The locking technology in the Maxum residential deadbolt carries a BHMA A156.30 Certification, giving you assurance that your keys are fully protected from unauthorized duplication as well as a UL 437 Listing for protection against picking and drilling attacks.