3 Dead Bolts / 4 Rollers
Multi point door locks with 3 deadbolts are a secure feature across many different types of door lock. Locks featuring 3 deadbolts will usually have cases at the top and bottom sections of the door lock, with a third deadbolt locating as part of the ...
Multi point door locks with 3 deadbolts are a secure feature across many different types of door lock. Locks featuring 3 deadbolts will usually have cases at the top and bottom sections of the door lock, with a third deadbolt locating as part of the door lock centre case, and each release a dead bolt when the locking mechanism in the centre case is operated. The 4 rollers on these door locks are typically located underneath the deadbolt cases, and release again when the door lock is used.
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