Disc tumbler lock
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A disc tumbler or disc detainer lock is a lock composed of slotted rotating detainer discs. The lock was invented by Finnish founder of Abloy, Emil Henriksson in 1907 and first manufactured under the
The underside of a disc tumbler lock
A key for a disc tumbler lock
Pin tumbler lock
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The pin tumbler lock, also known as the Yale lock is a lock mechanism that uses a series of spring-loaded pins of varying lengths to prevent the lock from opening without the correct key. When the cor
Disc tumbler lock
…like the tumblers of a safe to align the slots, allowing the sidebar to drop into the slots, thus opening the lock. Unlike a wafer tumbler lock or a pin tumbler lock, this mechanism does not use springs. Because they do not contain springs, they are better suited for areas with harsh conditions and are often used…
A common type of pin tumbler lock, of the euro cylinder type
Euro profile locks, an example of a cylinder lock. These are commonly found on uPVC doors and commercial buildings where re-keying doors is common.