
![]() |
||||
|
DEADBOLT LOCKSA deadbolt or deadlock, is a
locking mechanism distinct from A deadbolt is often used to complement a spring-bolt lock on an entry door to a building. A deadlock may be either single cylinder or double cylinder. A single cylinder deadlock will accept a key on one side of the lock, but be operated by a twist knob on the other side. Double cylinder locks will accept a key on both sides and can therefore do away with the twist knob. This prevents unwanted unlocking of the door by forced access to the twist knob, via a nearby window for example. A variant of the standard deadbolt is the vertical deadbolt, which generally rests on top of a door. Vertical deadbolts resist jimmying, in which an intruder inserts a pry bar between the door and the frame and attempts to pry the bolt out of the jamb. Other types of deadbolts include:
Call NON-Stop Locksmith... NOW! We promise you will be Happy with our Service! |
![]() |
![]() |
||
![]() |
Chicago Locksmith (800) - 977 - 9751