North Carolina Practice Locksmith Exam n. 1. the number(s) which represent(s) the dimensions of the key 2. the actual cut(s) or combination of a key - ANS - Bitting n. a designation, unrela ted to the bitting, assigned to a particular key combination for future reference when additional keys or cylinders may be needed - ANS - Blind Code n. a hand held key bitting punch, often incorporating a trigger -like handle - ANS - Clipper n. 1. a desig nation assigned to a particular key combination for 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 incorpor ated into the statutes of a given jurisdiction, or a model standard - ANS - Code n. a key cut to a specific code rather than duplicated from a pattern key. it may or may not conform to the lock manufacturer's specifications - ANS - Code Key n. a code key which conforms to the lock manufacturer's specifications - ANS - Code Original Key n. the group of numbers which represent the bitting of a key and/or the tumblers of a lock or cylinder - ANS - Combination n. the bottom of a key cut - ANS - Cut Root n. the shape of the bottom of a key cut. It may have a flat or radius of a specific dimension, or be a perfect "V - ANS - Cut Root Shape n. a set of keys used to make a code original key on a key 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. - ANS - Depth Key Set n. a series of blind codes and bittings which are directly related to those of an other bitting list - ANS - Derived Series n. a designation assigned to a particular key which includes the actual combination of the key - ANS - Direct Code n. the dimension obtained by adding the root depth of a key cut to the length of its correspondin g bottom pin which establishes a perfect shear line. This will not necessarily be the same as the actual plug diameter. - ANS - Effective Plug Diameter n. the maximum allowable difference between adjacent cut depths - ANS - Maximum Adjacent Cut Specificat ion abb. maximum adjacent cut specification - ANS - "MACS" n. the dimension from the bottom of a cut on a key to the bottom of the blade - ANS - Root Depth n. a location in a cylinder at which specific tumbler surfaces must be aligned, removing obstruct ion(s) which prevented the plug from moving - ANS - Shear Line n. the dimensions from the stop to the center of the first cut and/or to the centers of successive cuts - ANS - Spacing n. the part of a key from which all cuts are indexed and which determin es how far the key enters the keyway - ANS - Stop (of a key) n. that portion of the cylinder shell which normally houses the pin chambers, especially those of a key -
inknob cylinder or certain rim cylinders - ANS - Bible n. 1. a tool used to cut the keyway into the cylinder plug 2. v. to cut the keyway into a cylinder plug with a broach - ANS - Broach n. 1. a lock or cylinder component which transfers the rotational motion of a key or cylinder plug to the bolt works of a lock 2. the bolt of a cam lock - ANS - CAM n. any cavity in a cylinder plug and/or shell which houses the tumblers - ANS - Chamber n. a keyway which has been enlarged to accept more than one key section, often key sections of more than one manufacturer - ANS - Composite Keyway n. 1. a flat tumbler which must 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 a sidebar by the proper key - ANS - Disc Tumbler n. 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. See also "compensate drivers" - ANS - Graduated Drivers n. a usually un iform increase or decrease in the successive depths of a key cut which must be matched by a corresponding change in the tumblers - ANS - Increment n. a pin tumbler cylinder with a diameter of 2.0", whose pins, springs, key, etc. may also be proportionally increased in size. It is frequently used in prison locks - ANS - Mogul Cylinder
inknob cylinder or certain rim cylinders - ANS - Bible n. 1. a tool used to cut the keyway into the cylinder plug 2. v. to cut the keyway into a cylinder plug with a broach - ANS - Broach n. 1. a lock or cylinder component which transfers the rotational motion of a key or cylinder plug to the bolt works of a lock 2. the bolt of a cam lock - ANS - CAM n. any cavity in a cylinder plug and/or shell which houses the tumblers - ANS - Chamber n. a keyway which has been enlarged to accept more than one key section, often key sections of more than one manufacturer - ANS - Composite Keyway n. 1. a flat tumbler which must 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 a sidebar by the proper key - ANS - Disc Tumbler n. 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. See also "compensate drivers" - ANS - Graduated Drivers n. a usually un iform increase or decrease in the successive depths of a key cut which must be matched by a corresponding change in the tumblers - ANS - Increment n. a pin tumbler cylinder with a diameter of 2.0", whose pins, springs, key, etc. may also be proportionally increased in size. It is frequently used in prison locks - ANS - Mogul Cylinder
