Dead Bolt Lock

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A dead bolt lock , is a locking mechanism cannot be moved to the open position except by rotating the lock cylinder. A deadlock, if it is cylinder operated, may be either single cylinder or double cylinder. A single cylinder deadlock will accept a key on one side of the lock, but is operated by a twist knob on the other side. Double cylinder locks will accept a key on both sides and therefore do not require (and often do not have) any twist knob.

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Zhongshan Defensorlock Factory

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