North Carolina Locksmith License Exam Section 2: Pin & Disc Questions and Approved Solutions 2024
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Course
North Carolina Locksmith
Institution
North Carolina Locksmith
Bible - ANSWER that portion of the cylinder shell which normally houses the pin chambers, especially those of a key-in-knob cylinder or certain rim cylinders
Broach - ANSWER 1. A tool used to cut the keyway into the cylinder plug. 2. To cut the keyway into a cylinder with a broach
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A
VI
TU
Bible - ANSWER that portion of the cylinder shell which normally houses the pin
chambers, especially those of a key-in-knob cylinder or certain rim cylinders
Broach - ANSWER 1. A tool used to cut the keyway into the cylinder plug. 2. To cut
the keyway into a cylinder with a broach
IS
CAM - ANSWER 1. A lock or cylinder component which transfers the rotational
motion of a key or cylinder plug to the bolt works of the lock. 2. The bolt of a cam lock
M
Chamber - ANSWER any cavity in a cylinder plug and or shell which houses the
O
tumblers
Composite Keyway - ANSWER a keyway that has been enlarged to accept more
A
than one key section, often key sections of more than one manufacturer
N
Disc Tumbler - ANSWER 1. A flat tumbler which can be drawn into the cylinder plug
by the proper key so that none of its extremities extends into the shell. 2. A flat usually
rectangular tumbler with a gate which must be aligned with the sidebar by the proper
JP
key. NOTE: sometimes called a wafer tumbler
Graduated Drivers - ANSWER a set of top pins of different lengths. Usage is based
on the height of the rest of the pin stack, in order to achieve a uniform pin stack height
Increment - ANSWER a usually uniform increase or decrease in the successive
depths of a key cut which must be matched by a corresponding change in the tumblers
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