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A high security dual-barrel padlock. A quantitative measure of a padlock's tensile strength and resistance to forced and surreptitious entry can be determined with tests developed by organizations such as ASTM, Sold Secure (United Kingdom), CEN (Europe), and TNO (The Netherlands).
ASTM F883 is a standard performance specification for padlocks.. This standard was created by the American Standard for Testing and Materials (ASTM). ASTM International, founded in 1898, is an international standards developing organization that develops and publishes standards for a wide range of materials, products, systems, and services.
Bitting is the depth of key cuts on a cylinder key for a pin tumbler lock, often expressed as a number. Bitting also refers to the combination of key cuts on a bit key for a warded lock or lever tumbler lock. The exact geometry of modern keys is usually described by a code system. [1]
The lock housing is the part of the lock that does not move when the lock is opened. It is responsible for transferring the action of the key to the bolt. [7] Master pin In a pin tumbler lock, a master pin is an optional, usually short, disk-like pin placed between the top and bottom pins. Its purpose is to allow two differently-cut keys to ...
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
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A magnetic lock has a metal plate surrounded by a coil of wire that can be magnetized. The number of coils determines the holding force which characterizes the lock: Micro Size: 275 lbf (1,220 N) holding force. Mini Size: 650 lbf (2,900 N) holding force; Midi Size: 800 lbf (3,600 N) holding force; Standard Size: 1,200 lbf (5,300 N) holding force.
Bilock is a high-security keying system designed and manufactured by Australian Lock Company. It is advertised to be bump-proof , pick-resistant , and drill -resistant. The Bilock cylinder uses a patented locking system with two sidebars, 12 pins, and 12 springs.