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.

How to Rekey or Change a Deadbolt lock — PHS Locksmiths

Satin Nickel 985 Deadbolt - Keyed Both Sides - featuring SmartKey

Kwikset Deadlock Double Cylinder Lock With 2 Keys 665 RCL-RCS4 US3 Polish Brass

MUL-T-LOCK MTL600 Hercular Double Cylinder Deadbolt @ MUL-T-LOCK

The 9 Best Deadbolts of 2023

Dowel Laminated Timber Construction DLT Think Wood, 59% OFF

Do you need a “double keyed” or double-cylinder deadbolt?

Hager 3114 Grade 1 Deadlock Double Cylinder

Gatehouse And Iron Gate Interlocking Double Key Deadlock, 53% OFF

Do you need a “double keyed” or double-cylinder deadbolt?