A dead bolt, dead lock or deadbolt is a locking mechanism distinct from a spring bolt lock because a deadbolt cannot be moved to the open position except by rotating the lock cylinder with the key. The more common spring bolt lock uses a spring to hold the bolt in place, allowing retraction by applying force to the bolt itself. A deadbolt can ther...
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http://en.wikipedia.org/wiki/Dead_bolt
- An exterior security lock installed on exterior entry doors that can be activated only with a key or thumb-turn. Unlike a latch, which has a beveled tongue, dead bolts have square ends.
Found on
http://www.homebuildingmanual.com/Glossary.htm
An exterior security lock installed on exterior entry doors that can be activated only with a key or
Found on
https://www.encyclo.co.uk/local/22400
An exterior security lock installed on exterior entry doors that can be activated only with a key or thumb-turn. Unlike a latch, which has a beveled tongue, dead bolts have square ends.
Found on
https://www.homebuildingmanual.com/Glossary.htm
No exact match found.
