What Is a Double Key Deadlock?

Is adding a double-cylinder deadbolt to an exterior door a good idea? Find out about the pros and cons of adding double-keyed deadbolts vs. single-keyed deadbolts to exterior doors for safety and security. Deadbolts with two keys pose unique challenges.

Choose 31/32 or 1-1/8 Backset Backset: The distance between the edge of the door and Center of the key cylinder. Huge five-ply laminated steel bolt

Pacific Doorware AR Rite Style Door Lock Mortise Deadbolt & Double Keyed Cylinder Set, in Duronotic (1-1/8 Backset)

🔐Excellent function: lock and unlock by turning the outer key or the inner key, and the hard latch escorts your safety.Please note that the key of

Double keyed Deadbolt Lock - Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel(Black, Double Side)

Prime-Line Jimmy-Resistant Deadlock, Diecast, Brass Color, Angle Strike, Double Cylinder U 9972 - The Home Depot

LOCKWOOD L001-1K1SPDP DOUBLE KEYED DEADLOCK SATIN PEARL

Medeco 11-0202-05-00 Bright Brass, Double Cylinder Tubular Deadlock Deadbolt Key On Both Sides 2-3/4 Backset, 00 Keyway HIGH SECURITY

Replacing double-keyed deadbolt with turn lever : r/Locksmith

Secure your doorway with this sleek Satin Bronze US10 Jimmy Proof Deadbolt. Each deadbolt can be placed onto a 1-3/8 in. to 2-3/8 in. thick doors.

Satin Bronze High Security Heavy-Duty Jimmy Proof Double Cylinder Deadbolt Lock with Flat Strike and 2 SC1 Keys

MUL-T-LOCK MTL600 Hercular® Double Cylinder Deadbolt

What Is a Double-Cylinder Door Lock?

Double keyed Deadbolt Lock - Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel(Black, Double Side)

Double Cylinder Deadbolt Deadlock Satin Nickel Brushed Nickel Finished

Deadlock

SE 19326 - Bronze Deadlock, 687A, Double Cylinder, Flat Strike, Brass

What Is a Double Key Deadlock?

460 Series

Contemporary Square Privacy Pocket Door Lock

Door Locks for Home, Get Free Shipping

How to Replace a Door Knob or Lever

Staple Gate Lock Door Shed Household Door Lock Accessary Hasp

Dual Door Lock Set – FinFort