CHEMICAL PLUG
An alternative to the traditional tie that, thanks to its chemical retainer, inserted into the wass increases the wrench resistance.
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COUNTER-LOCK
The device applied to the fixed leaf of double leaf doors that controls the upper and lower locking rods.
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CUT RESISTANT ROTATING END
The end of the steel rod that rotates on itself thereby preventing cutting tools from taking a grip.
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CYLINDER
This is a cylindrical device inserted into the lock that is made up of a fixed part an a moving part (plug) that is turned by the key. See Cylinder lock.
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CYLINDER LOCK
Locking system operated by the cylinder.
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