As a single cylinder deadbolt it only accepts a key from the exterior side of the lock while a thumb turn controls the lock from the interior.
Security locks for front doors.
A deadbolt is a common way to secure exterior doors and the kwikset 660 deadbolt is a longstanding option with a reputation for simple installation and operation.
A deadbolt uses a bolt to extend into a bored hole made in the frame of a doorway.
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When most people are searching for the best front door locks deadbolts are their main concern.
Most external doors are pre drilled for deadbolts making installation easy.
Defiant keyed locks can be re keyed to fit your existing kw1 keyway.
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The design provides easy installation with only a phillips screwdriver.
Designed as extra security for exterior doors.
This bolt can only be extended or retracted by manipulating the keyway hopefully with the proper key.
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Deadbolts are a foundational part of security.
Models are available with single and double cylinder functions.
For use in combination with a door knob lever lock.