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.

What Is a Double Key Deadlock?

How to Rekey or Change a Deadbolt lock — PHS Locksmiths

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🔐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

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