Cylinder
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Cylinder
The piece which holds the plug, actuator, and locking components. Though most commonly associated with pin-tumbler based lock designs, cylinders are used in many others, such as wafer.
Cylinder Types
Mortoise
A threaded cylinder that screws into a door assembly and is held in place by set screws on each side.
Rim
A cylinder that is held in place by screws that extend through the cylinder itself.
Key in Knob (KIK)
A cylinder that is inserted into a knob or housing, held in place by various methods depending on the housing's design.
Euro Profile
A cylinder of a standard european format that is held in place by a screw that extends through the center of the cylinder.
