NORTH CAROLINA PRACTICE LOCKSMITH
EXAM | COMPREHENSIVE EXAM PREP,
PRACTICE QUESTIONS, CORRECT ANSWERS
AND STUDY GUIDE
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep
,n. 1. a designation assigned to a particular key combination for Code
reference when additional keys or cylinders may be needed.
See also, "blind code", "direct code", and "key symbol",
2. a standard for Life Safety, structural integrity, fire safety, etc.,
either incorporated into the statutes of a given jurisdiction, or
a model standard
n. a key cut to a specific code rather than duplicated from a Code Key
pattern key. it may or may not conform to the lock
manufacturer's specifications
n. a code key which conforms to the lock manufacturer's Code Original Key
specifications
n. the group of numbers which represent the bitting of a key Combination
and/or the tumblers of a lock or cylinder
n. the bottom of a key cut Cut Root
n. the shape of the bottom of a key cut. It may have a flat or Cut Root Shape
radius of a specific dimension, or be a perfect
"V
n. a set of keys used to make a code original key on a key Depth Key Set
duplicating machine to a lock manufacturer's given set of key
bitting specifications. Each key is cut with the correct spacing
to one depth only in all bitting positions, with one key for each
depth.
n. a series of blind codes and bittings which are directly Derived Series
related to those of another bitting list
n. a designation assigned to a particular key which includes Direct Code
the actual combination of the key
, n. the dimension obtained by adding the root depth of a key Effective Plug Diameter
cut to the length of its corresponding bottom pin which
establishes a perfect shear line. This will not necessarily be the
same as the actual plug diameter.
n. the maximum allowable difference between adjacent cut Maximum Adjacent Cut Specification
depths
abb. maximum adjacent cut specification "MACS"
n. the dimension from the bottom of a cut on a key to the Root Depth
bottom of the blade
n. a location in a cylinder at which specific tumbler surfaces Shear Line
must be aligned, removing obstruction(s) which prevented the
plug from moving
n. the dimensions from the stop to the center of the first cut Spacing
and/or to the centers of successive cuts
n. the part of a key from which all cuts are indexed and which Stop (of a key)
determines how far the key enters the keyway
n. that portion of the cylinder shell which normally houses the Bible
pin chambers, especially those of a key-inknob
cylinder or certain rim cylinders
n. 1. a tool used to cut the keyway into the cylinder plug 2. v. to Broach
cut the keyway into a cylinder plug with a
broach
n. 1. a lock or cylinder component which transfers the CAM
rotational motion of a key or cylinder plug to the
bolt works of a lock 2. the bolt of a cam lock
n. any cavity in a cylinder plug and/or shell which houses the Chamber
tumblers
EXAM | COMPREHENSIVE EXAM PREP,
PRACTICE QUESTIONS, CORRECT ANSWERS
AND STUDY GUIDE
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep
,n. 1. a designation assigned to a particular key combination for Code
reference when additional keys or cylinders may be needed.
See also, "blind code", "direct code", and "key symbol",
2. a standard for Life Safety, structural integrity, fire safety, etc.,
either incorporated into the statutes of a given jurisdiction, or
a model standard
n. a key cut to a specific code rather than duplicated from a Code Key
pattern key. it may or may not conform to the lock
manufacturer's specifications
n. a code key which conforms to the lock manufacturer's Code Original Key
specifications
n. the group of numbers which represent the bitting of a key Combination
and/or the tumblers of a lock or cylinder
n. the bottom of a key cut Cut Root
n. the shape of the bottom of a key cut. It may have a flat or Cut Root Shape
radius of a specific dimension, or be a perfect
"V
n. a set of keys used to make a code original key on a key Depth Key Set
duplicating machine to a lock manufacturer's given set of key
bitting specifications. Each key is cut with the correct spacing
to one depth only in all bitting positions, with one key for each
depth.
n. a series of blind codes and bittings which are directly Derived Series
related to those of another bitting list
n. a designation assigned to a particular key which includes Direct Code
the actual combination of the key
, n. the dimension obtained by adding the root depth of a key Effective Plug Diameter
cut to the length of its corresponding bottom pin which
establishes a perfect shear line. This will not necessarily be the
same as the actual plug diameter.
n. the maximum allowable difference between adjacent cut Maximum Adjacent Cut Specification
depths
abb. maximum adjacent cut specification "MACS"
n. the dimension from the bottom of a cut on a key to the Root Depth
bottom of the blade
n. a location in a cylinder at which specific tumbler surfaces Shear Line
must be aligned, removing obstruction(s) which prevented the
plug from moving
n. the dimensions from the stop to the center of the first cut Spacing
and/or to the centers of successive cuts
n. the part of a key from which all cuts are indexed and which Stop (of a key)
determines how far the key enters the keyway
n. that portion of the cylinder shell which normally houses the Bible
pin chambers, especially those of a key-inknob
cylinder or certain rim cylinders
n. 1. a tool used to cut the keyway into the cylinder plug 2. v. to Broach
cut the keyway into a cylinder plug with a
broach
n. 1. a lock or cylinder component which transfers the CAM
rotational motion of a key or cylinder plug to the
bolt works of a lock 2. the bolt of a cam lock
n. any cavity in a cylinder plug and/or shell which houses the Chamber
tumblers
