| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| (n.) A classification by Underwriters Laboratories for doors with 3/4 hour rated fire protection. |
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| (n.) A spring loaded relock, triggered by release of the attached wire. |
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| (n.) A complete locking assembly in the form of a cylinder whose cam is the actual locking bolt. |
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| (n.) A surface mounted deadbolt designed to be moved by hand via a 90º bend in the bolt that serves as a handle. |
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(n.) 1. A spring cover for a single pin chamber.
(n.) 2. A part which may serve as a plug retainer and/or a holder for the tailpiece.
(v.) 3. To install a cap. |
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| (n.) A holding fixture for certain interchangeable cores which aids in the installation of the caps. |
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| (n.) The position where a movable key insert is placed on a key. |
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| (n.) A hinge system for safes where the door may not be lifted off the body of the safe without the removal of one of the hinge blocks. |
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| (n.) An access control system that utilizes a controlled security card as the credential. |
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| (n.) A person to whom a card has been issued. |
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| (n.) A device which interprets coding resident on or in cards. |
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| (n.) An access control system credential consisting of magnetized ferrite embedded in a plastic card with polarity and location being important features. |
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| (n.) The part of a multi-bolt safe boltworks to which the bolts are attached. |
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| (n.) The housing or body of a lock. |
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| (n.) The portion of a lock case which is designed to be removable to allow access to the mechanism. |
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| (n.) Any ward directly attached to or projecting from a lock case. |
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| (n.) A window with a sash which pivots or swings to open. |
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| (n.) Any device that holds a door closed and may be released by simply pushing or pulling on the door. |
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| (abb.) Construction Breakout Key |
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| (adj.) Of or pertaining to an access control system in which all or most control functions are performed by the main computer. |
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| (n.) A location designed for the express purpose of processing status signals for multiple alarm systems. |
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| (n.) A document, granted by the authority having jurisdiction, permitting occupancy or use. |
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| (n.) A spring biased bolt operated by an attached chain, typically for mounting to the top of a door. |
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| (n.) A device used to secure property with interlocking links and secured on both ends by a slide plate or a key locking device. |
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| (n.) Any cavity in a cylinder plug and/or shell which houses the tumblers. |
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| (n.) The point on a key changeable combination lock dial ring to which the old and new combinations must be dialed when changing the combination. |
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(n.) 1. A key which operates only one cylinder or one group of keyed alike cylinders in a keying system.
(n.) 2. Any device that is used to mechanically or electronically allow resetting of certain key or combination locks. |
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| (n.) A key which can be re-combinated by exchanging and/or rearranging portions of its bit or blade. |
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| (n.) A lever tumbler typically made in two or more pieces which can be variably positioned with each other to change the effective location of the gate. |
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| (n.) A tumbler whose reference size can be changed mechanically without removal from the lock or cylinder. |
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| (n.) The part of a cylindrical lockset that contains the actuating mechanism and has a means for mounting trim and a bolt. |
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| (n.) A device resembling a bottom pin, found in a non-traditional chamber, used to restrict the rotation of the plug unless a specific area of the key is cut. |
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| (n.) A projection from a lock case that serves as a guide or race for another part. |
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| (n.) A hinged shackle with a pierced hole for the bolt in its movable end. |
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| (abb.) The title "Certified Institutional Locksmith" as awarded by ILA. |
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| (n.) A typically round, finished strike, usually driven into place in a drilled hole. |
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| (abb.) The title "Certified Journeyman Institutional Locksmith" as awarded by ILA. |
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| (abb.) The title Certified Journeyman Locksmith as awarded by the Professional Locksmith Association of Alberta. |
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| (abb.) The title "Certified Journeyman Safecracker" as awarded by NSO. |
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(abb.) 1. Change Key
(abb.) 2. Control Key |
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| (n.) The two piece housing (usually plastic) that encases the upper steering column and ignition lock on some automotive applications. |
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| (n.) A bolt with one or more fingers, which extend out of the bolt and lock behind the strike as the bolt reaches the locked position. |
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| (n.) A portal providing clearance through which passage is unhampered. |
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| (n.) A device to permanently attach a chain to a padlock. |
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| (n.) A hand held key bitting punch, often incorporating a trigger like handle. |
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| (adj.) Pertaining to a lever tumbler whose gate is pierced into the body of the tumbler. The lever(s) surround the fence in both the locked and unlocked positions. |
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| (n.) A knob without an opening in its face. |
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| (n.) A detection circuit where discontinuity in a branch will result in a reportable condition. |
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| (adj.) A numerical value related to the applied force of a door closer, with a larger number being a stronger force. Older closers were assigned alphabetic size designations, where A was the smallest. |
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| (n.) A latch set which has a turning device with minimum projection in place of the inside knob or lever. |
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| (adj.) Pertaining to a lever lock which is automatically
combined to the last key to extend the bolt. |
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| (n.) A style of mortise cylinder cam with three lobes: a ball shaped longer center, and angular projections on either side. |
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| (n.) That part of a profile cylinder which transfers rotational motion from the inside or outside element to a common cam or actuator. |
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| (abb.) The title "Certified Master Institutional Locksmith" as awarded by ILA. |
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| (abb.) Construction Master Key |
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| (abb.) Construction Master Keyed |
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| (abb.) The title "Certified Master Locksmith" as awarded by ALOA. |
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| (abb.) The title "Certified Master Safecracker" as awarded by NSO. |
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| (abb.) The title "Certified Master Safe Technician" as awarded by SAVTA. |
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| (abb.) Certificate of Occupancy |
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(n.) 1. A designation assigned to a particular key combination for reference when additional keys or cylinders may be needed.(n.)
2. A standard for Life Safety, structural integrity, fire safety, etc., either incorporated into the statutes of a given jurisdiction, or a model standard. |
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| (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. |
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| (n.) A code key which conforms to the lock manufacturer's specifications. |
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| (n.) An ordered sequence of unique codes related to specific key combinations, key sections and manufacturers. |
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| (adj.) The measure (usually expressed in Oersteds) of a magnetic material's resistance to being recorded or erased. Magnetic stripe cards are either low coercivity or high coercivity. |
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(n.) 1. A pin tumbler defeat tactic using a series of straight pins or teeth on a single tool, intended to push the pin stack past the shear line.
(n.) 2. A defeat tactic used to force a spring cover off a pin tumbler cylinder. |
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| (v.) To set a combination in a lock, cylinder, or key. |
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| (n.) The group of numbers which represent the bitting of a key and/or the tumblers of a lock or cylinder. |
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| (n.) A lock which is operated by local input of a specific series or sequence of numbers or letters. |
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| (n.) A type of disc tumbler used in certain binary type disc tumbler key-in-knob looks. Its presence requires that a cut be made in that position of the operating key(s). |
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| (n.) A wheel type tumbler in a combination lock. |
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| (v.) To select longer or shorter top pins, depending on the length of the rest of the pin stack, in order to achieve a uniform pin stack height. |
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| (n.) Usually a disc tumbler keyway used in master keying. It accepts keys of different sections whose blades contact different bearing surfaces of the tumblers. |
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| (n.) A blank designed to enter two or more simplex keyways. |
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| (n.) A keyway which has been enlarged to accept more than one key section, often key sections of more than one manufacturer. |
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| (n.) A key with at least one compound cut. |
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| (n.) A bitting which has another bitting dimension within its dimensions. |
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| (n.) A lever tumbler that has two or more distinct sweeps contacted by two or more different keys. |
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| (n.) KIK or KIL trim that snaps into place to hide mounting screws. |
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| (n.) A specially constructed (usually mortise) cylinder. Only the plug face is visible when the lock trim is in place. |
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| (n.) A vertical rod exit device whose rods and header / threshold bolts are concealed within the door. |
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| (n.) An enclosure for mounting a floor closer. |
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| (n.) A bottom pin which is designed not to rotate along its long axis, often associated with off-centerline chambers. |
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| (n.) Any bitting(s) which are identical in corresponding positions from one key to another in a keying system. They usually serve to group these keys together within a given level of keying, and/or link them with keys of other levels. |
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| (n.) A key used by some manufacturers to render all construction master keys permanently inoperative. |
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| (n.) An interchangeable or removable core designed for use during the construction phase of a building. The cores are normally keyed alike and, upon completion of construction, they are to be replaced by the permanent system's cores. |
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| (n.) A recess or pocket designed to receive ball bearings in lost-ball keying. The size and/or shape of the recess is such that a pin tumbler cannot enter it. |
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| (n.) A key normally used by construction personnel for a temporary period during building construction. It may be rendered permanently inoperative without disassembling the cylinder. |
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| (adj.) Of or pertaining to a cylinder which is or is to be operated temporarily by a construction master key. |
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| (n.) The gate area in a combination lock drive cam where the lever nose does not contact the drive cam. |
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| (n.) The area on each side of the drive cam gate that the lever nose makes contact with. Most locks have a left contact point and a right contact point. |
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| (n.) A electrical, magnetic or mechanical device that triggers a circuit (s) to open or closed depending on the application. |
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| (n.) A card, conforming to the physical characteristics specified in ISO 7813 & 10536, which contains one or more integrated circuits and does not use contacts to obtain power and allow interface to external equipment. |
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| (adj.) Designed to sustain application of power for extended periods. |
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| (n.) In an interchangeable or removable core, any chamber which has a control shear line, which is different from the operating shear line. |
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| (n.) Any bitting which operates the retaining device of an interchangeable or removable core. |
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| (n.) In certain interchangeable or removable cores, the distance between the operating shear line and the control shear line, expressed either in units of the increment or as a measurement. |
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(n.) 1. A key whose only purpose is to remove and/or install an interchangeable or removable core.
(n.) 2. A bypass key used to operate and/or reset some combination type locks.
(n.) 3. A key which allows disassembly of some removable cylinder locks. |
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| (n.) That part of an interchangeable or removable core-retaining device which locks the core into its housing. |
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| (n.) A number used to calculate the size of the build-up pin when; (a) the sizes of bottom and master pins are known, or (b) the bitting depths of all operating keys are known. |
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| (n.) The shear line which allows operation of the control lug of an interchangeable or removable core. |
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| (n.) The part of an interchangeable or removable core retaining device which surrounds the plug. |
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(n.) A condition in which two or more different keys of the same level of keying and under the same higher level key(s) operate one cylinder by design; e.g., XAA1 operated by AA2 (but not XAA1 operated by AB1).
Note: This condition could severely limit the security of the cylinder and the maximum expansion of the system when (1) more than a few of these different keys operate a cylinder, or (2) more than a few differently cross keyed cylinders per system are required. |
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| (n.) A device that has decision making capability by way of authentication or lookup in a database. It serves a control function by having output relays or other interfaces with other devices which may include other controllers, electric strikes, alarms, or printers. |
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| (n.) A dial that is designed to readily accept a key locking core at any time. |
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| (n.) In conjunction with a pair of doors, a device designed to cause the inactive leaf to close first. |
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| (n.) A complete unit, often with a “figure eight” shape, which usually consists of the plug, shell, tumblers, springs, plug retainer and spring cover(s). It is primarily used in removable and interchangeable core cylinders and looks. |
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| (n.) A door closer mounting plate attached to the upper corner of the jamb. |
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| (abb.) The title "Certified Professional Locksmith" as awarded by ALOA. |
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| (abb.) “Certified Protection Professional” as awarded by ASIS. |
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| (abb.) The title "Certified Professional Safe Technician" as awarded by SAVTA. |
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| (n.) A three leaf hinge assembly with two of the leaves being mounted to the body and door and the third only to the other two leaves. |
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| (n.) Any identifying or authorizing instrument, other than a mechanical key, that can cause entry to be allowed. |
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| (n.) A surface mounted, top and bottom locking, deadbolt mechanism operated by a central handle. |
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| (abb.) The title "Certified Registered Locksmith" as awarded by ALOA. |
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| (n.) A hole drilled into the face of a door where a bored or interconnected lockset is to be installed. |
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| (n.) The deliberate process of combinating a cylinder (usually in a master key system) to two or more different keys which would not normally be expected to operate it together. |
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| (adj.) Of or pertaining to a key section or keyway which usually resembles a plus sign (+) or the letter "X". |
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| (abb.) Construction Specifiers Institute |
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| (n.) A sleeve mounted around a steering column to protect the column. |
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| (n.) Lock trim that creates a recess in a door face and does not protrude beyond the door face. |
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| (n.) A fitting recessed into a door surface to provide a finger grip with which to move the door. |
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| (n.) A latching mechanism typically surface mounted to the outside of cabinet doors or drawers. |
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| (n.) A round safe lock cover that is rabbeted and has a wheel post as an integral part of its construction. |
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| (n.) A wheel post attached to a curb. |
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| (n.) In a lever tumbler lock, a device that blocks access to the keyhole when the key is turned. |
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| (n.) A strike so shaped as to effect smoother function of the latch while the door is closing. |
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| (v.) To make cuts into a key blade. |
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| (n.) A measurement, usually expressed in degrees, for the angle between the two sides of a key cut. |
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| (n.) The portion of the key blade which contains the cuts. |
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| (n.) A key which has been bitted or combinated. |
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| (n.) The bottom of a key cut. |
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| (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". |
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(adj.) 1. Of or pertaining to a device with material removed or a transparent cover to expose and demonstrate a mechanism or feature.
(n.) 2. Any cutaway product. |
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| (n.) The part of a key machine which makes the cuts into the key blank. |
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| (n.) A shield over a key machine cutter to protect the operator. |
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| (n.) A complete operating unit which usually consists of the plug shell, tumblers, springs, plug retainer, a cam/tailpiece or other actuating device, and all other necessary operating parts. |
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| (n.) A dummy cylinder which has a solid face and no operating parts. |
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| (n.) A spring steel device used to secure some types of cylinders. |
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| (n.) A plate or ring installed under the head of a cylinder to improve appearance and/or security. |
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| (n.) A protective cylinder mounting device. |
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| (n.) A broad generic term including virtually all keys for pin and disc tumbler locks. |
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| (n.) Any lock that is operated by a cylinder key. |
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| (n.) A bored lockset whose latch or bolt locking mechanism is contained in the portion installed through the cross-bore. |
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