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The bitting code is used in conjunction with a key's Depth and Spacing Number to completely determine all relevant information regarding the key's geometry. [1] Each number in the bitting code corresponds to a cut on the key blade. For example, a bitting code of 11111 with Depth and Spacing Number 46 specifies a Kwikset key with five shallow cuts.
The safecracker will drill a hole allowing him to get his scope into a position to observe the change key hole. While spinning the dial and looking through the change key hole for certain landmarks on the combination lock's wheel pack, it is possible to obtain the combination and then dial open the safe with the correct combination.
In pin tumbler locks, the series of key cuts on a key causes the pins to line up at the shear line or gate so the lock will open. In warded locks, the key cuts bypass the wards so the key can push or pull the bolt. [6] Key pin In a pin tumbler lock, the key pin is in contact with the key. It has varying lengths, corresponding to the key's ...
As the key slides into the lock through the keyway, the wards align with the grooves in the key's profile to allow or deny entry into the lock cylinder. A traditional pick set. From left to right: torsion wrench, "twist-flex" torsion wrench, offset diamond pick, ball pick, half-diamond pick, short hook, medium hook, saw (or "L") rake, snake (or ...
Burglars often “case” a house for awhile before breaking in, studying it to identify security and occupancy cues specific to the home and its owners. If you always park your car in the ...
In many cases, lock-picking was not required and a key could be accessed from a landlord, hotel manager, or a neighbor. [5] However, William C. Sullivan and W. Mark Felt subsequently testified that Hoover and acting FBI director L. Patrick Gray III authorized "black bag" jobs against the Weather Underground from 1970 to 1973. [6] [7]
A burglar sign is a marking supposedly left on or near a property by a burglar or their accomplice, signalling in code that the building is vulnerable or unoccupied.. The practice is considered to be an urban legend, with Snopes commenting that publicly creating such signs would be an unnecessary additional risk for the burglar, when they could instead simply note down details of addresses.
A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions.