Locksmith Guide Glasgow

Locksmith Terms – Locksmiths Glasgow

Related terms along with their meanings locksmith glossary section here.

Access Control – any barrier or device, either natural or manufactured, that limits or prohibits, free or unlimited access

Access Control Cylinder – a replacement for the mechanical cylinder which incorporates electronic access control and allows the initial host lock to function without additional wiring or hardware modifications

Access Control Key Fob – any device aside from a key meant to allow a token to be utilized and continued a key ring

Active Leaf Door – the door of a pair where the active or locking hardware is mounted

Actuator – a tool, usually connected to a cylinder, which, when activated, may cause a lock mechanism to use

After Hours Depository – a safe and secure locker or safe where components of value can be left out of hours

Alarm System – a process of electrical and/or electronic components which detect and report dangers, for example fire or intrusion

Anti Strike Plate – A device fitted about the door or frame to halt the bolt or latch from being attacked.

Architectural Hardware – describes all fittings with a door, window or house. Such as – instructions box, house numbers, handles, door knobs, hinges etc

Attack Resistant – design qualities of a creation that render brute force physical defeat methods less capable or ineffective

Automatic Closing – pertaining with a door that’s furnished with a door closer, or any other device to shut it without manual intervention. Frequently found in Life Safety and fire code requirements.

Automatic deadbolt – a deadbolt meant to extend itself fully once the door is closed

Auxillary Lock – any lock placed in addition towards the primary lock set


Back Plate – a thin little bit of metal, usually having a concave portion, used in combination with machine screws to fasten certain types of cylinders with a door

Back Check – the resistance furnished by a door closer as being a door is opened

Back Set – the length involving the centre of a cross-bore and the bolt edge of a door or drawer

Ball Catch – a latch which uses spring pressure to force a ball bearing right into a recess rolling around in its strike

Barrel Bolt – a surface mounted slide bolt with a cylindrical shape

Barrel Key – a type of bit key having a hole drilled into the shank in the tip

Bell Box (sounder box) – the protective enclosure for the bell or any other alarm sounding device

Bicycle Padlock – a padlock with plenty of shackle clearance to secure a bicycle

Bike Lock – A lock designed particularly for lock a bike. modern bike locks use tough metals that prevent hack sawing.

BI Fold Door – a door with 2 or more sets of hinges, the extra set(s) allows the threshold to have accordion action when opened

Biometric Lock – of or pertaining with a lock having a hybrid mechanism, part of the mechanism identifies an actual attribute for example finger print, voice print, etc. while another part is often a mechanical mechanism

Bit – the part of the key which can serve as the blade, usually to be used in a very warded or lever tumbler lock

Bit Height – a measurement in the post of a bit key outward towards the end of the bit

Bit Key – a key with a number of projecting bits

Bit Thickness – a measurement of the bit derived from one of side towards the other side

Bit Width – as inserted right into a lock, a measurement in the industry leading towards the trailing edge of a bit

Bitting Depth – the depth of a cut that’s made into the blade of a key

Bitting Position – the location of a key cut

Blade – the percentage of a key which can support the cuts and/or millings

Blank – an uncut key

Body – the part of a lock assembly into which all the operating components are mounted, see also case

Bolt – any movable projection which blocks the movement of 1 object in accordance with another

Bow – the percentage of the main element which serves as being a grip or handle

Bow Stop – a type of stop located near the main element bow

Bow to Tip – a specification that a bitting combination is recorded starting on the bow and proceeding towards the tip

Bullet Lock – a lock used mostly on shutters. Once the lock continues to be inserted into its housing it locks automatically. only unlocked with a key. Widely used inside UK on shop fronts.

Bump Key – a lock picking key with uniform steeples between cuts that is forced further into the lock via impact

Burglar Alarm – a process meant to detect and report conditions, which can indicate intrusion or attempted intrusion

Burglar Resistant – of or pertaining with a security container meant to resist forcible entry for the specified period of energy dependant on the rating of the container

Button Know – the knob in a key-in-knob lock that includes a push or turn button

Bypass Key – the main element which operates a key override cylinder

Bypass Tool – a tool that neutralizes the security of a locking device, or its application hardware, often taking advantage of a design weakness


Cam – a lock or cylinder component which transfers the rotational motion of a key or cylinder plug towards the bolt works of a lock 2. the bolt of a cam lock

Cam Lock – a whole locking assembly inside form of a cylinder whose cam could be the actual locking bolt

Card Access System – an access control system that employs a controlled security card since the credential

Card Holder – someone to whom a card continues to be issued

Card Reader – a tool which interprets coding resident on or perhaps cards

case – the housing or body of a lock

Case Cover – the portion of a lock case that’s meant to be removable allowing access towards the mechanism

Casement Window – a window having a sash which pivots or swings to start

Case Ward – any ward directly that come with or projecting from a lock case

Catch – any device that holds a door closed and could be released through pushing or pulling on the threshold

CCW – Counter Clockwise

Central Locking – a spot designed for the express function of processing status signals for multiple alarm systems

Combination – the group of numbers which represent the bitting of a key and/or even the tumblers of a lock or cylinder

Combination Lock – a lock that’s operated by local input of a specific series or sequence of numbers or letters

Combination Wheel – a wheel type tumbler in a very combination lock

Contact Point – the area on them of the drive cam gate that the lever nose makes experience of. Most locks have a left contact point plus a right contact point.

Contact Switch – electrical, magnetic or mechanical device that produces a circuit(s) to start or closed depending on the application

contactless Smart Card – a card, conforming towards the physical characteristics specified in ISO 7813 & 10536, containing a number of integrated circuits and doesn’t use contacts to get power and enable interface to external equipment

Cupboard Latch – a latching mechanism typically surface mounted towards the beyond cabinet doors or drawers

Cut Edge – the part of the key blade containing the cuts

Cut Key – a key which continues to be bitted or cut to suit a lock

Cylinder – a whole operating unit which often consists of the plug shell, tumblers, springs, plug retainer, a cam/tailpiece or any other actuating device, and all other necessary operating parts

Cylinder Guard – a protective cylinder mounting device

Cylinder Key – a broad generic term including practically all keys for pin and disc tumbler locks

Cylinder Lock – any lock that is operated by way of a cylinder key

Cylindrical Lock Set – a bored lock set whose latch or bolt fasten is contained in the portion installed through the cross-bore


Deadbolt – a bolt, which uses a deliberate action to give, and which resists end pressure inside unlocking direction when fully extended

Deadlock – a lock which incorporates a deadbolt

Deadlocking – associated with any feature which, when fully engaged, resists efforts to move the latch or bolt inside unlocking direction through direct pressure

Deadlocking Latch – a latchbolt having a deadlocking mechanism

Decode – to discover a key combination by physical measurement of a key and/or cylinder parts

Degree of Rotation – a specification to the angle where a cut is changed to a key blade as referenced in the perpendicular; e.g., right (R or 2), left (L or 1) or center (= perpendicular) (C). This specification is usually useful for some high security keys.

Delayed Action Closer – one with a specfic hold-open interval before moves a door toward the latching position

Dimple Key – a key whose cuts are drilled or milled into its blade surfaces. The cuts normally usually do not customize the blade silhouette.

Door Closer – a tool meant to regulate the closing of a door automatically by various means

Door Puller – a tool meant to open a safe deposit box by forcibly pulling the threshold and damaging the lock

Door Viewer – a tool with a number of lenses, mounted in a very door at eye level, which allows a fixed view

through a door

Double Bitted Key – a key typically bitted on two opposite surfaces

Double Locking – of or pertaining with a lock with a number of bolts with different functions, typically a latch plus a deadbolt

Double Throw Bolt – a deadbolt which has two distinct extended positions, as both versions are deadlocked

Drawback Lock or Latch – a latch/lock whose latch is disengaged by pushing or pulling an actuator toward the hinge side of the jamb

Drill Point – the precise measurement of the location used to drill a locked up container to effect a dent

Dummy – associated with any kind of non-active device applied for aesthetic purposes

Duplicate Key – any key reproduced from a pattern key

Dust Cover – a tool meant to prevent foreign matter from entering a mechanism through the main element-way


Electric Strike – an electro-mechanical strike, which secures or releases the latch via applied current

Electronic Access Control – access control which utilizes electricity

Emergency Code – in an electronic lock, a factory-set or user-set code or combination that will open the lock a predetermined quantity of times

Emergency escape mechanism – an exit device for the vault

Engineers Key – a selective master key that’s employed by maintenance personnel to use many locks under different master keys in a process of three or even more degrees of keying

Entry/Exit Delay – a burglar or access control feature which allows a certain time lapse involving the activation of a switch and the activation of a secondary component

Escutcheon – a surface mounted trim which reinforces the looks and/or security of a lock installation

Espagnolette – a high and bottom locking system with hooks at either end which rotate to attract a door or window fully closed

Exit Device – a door lock/latch mechanism which releases inside direction of exit travel using a bar or panel extending over the major width of the threshold

Exit Door – 1. a door which has no provision for ingress, 2. a door which fills some or all the code desire for safe egress of the occupant load from a building or portion of a building

Extractor Key – a tool which normally removes a percentage of a two-piece key or blocking device from a key-way


Face Plate – the finished, removable plate which covers the leading of some locks

Factory Original Key – the cut key furnished by the lock manufacturer for the lock or cylinder

Fail Safe – a characteristic of a security device meant to release, for safety purposes, throughout a power loss

Fail Secure – a characteristic of a security device meant to remain locks for security purposes throughout a power loss

Finish – a fabric, coloring and/or texturing specification

Fire Alarm – a process meant to detect and report conditions, which can indicate presence of a fire

Fire Door – a door constructed to offer a certain degree of fire protection

Fire Door assembly – any combination of a fire door, frame, hardware as well as other accessories, that together provides a certain degree of fire protection towards the opening

Fire Exit Hardware – exit devices, which can legally be installed, burning doors. Distinguished off their exit devices because it:

1.is labeled for both fire and panic and;

2.doesn’t have method of locking the latch in a very retracted position

Fireman’s Key – a key used to override normal operation of elevators, bringing them towards the ground floor

First Generation Key – a key that has been duplicated by using a factory original key or possibly a code original key as being a


Floor Safe – a burglar alarm container designed for mounting below floor level using the top surface flush using the finished floor

Flush Bolt – a non-keyed deadbolt, having a one piece escutcheon/faceplate, typically mounted flush to door surfaces

Forced Entry – entry or bypass techniques which leave obvious damage towards the lock or enclosure

French Doors – a couple of double doors consists of many small glass panes and narrow stiles


Garage Door Lock – a rim lock mechanism designed to be used on an overhead door, which mechanism has a spring loaded bolt which automatically locks the threshold’s bolt mechanism

Gate – a notch cut into the edge of a tumbler to simply accept fences or sidebar

Grand Master Key System – an authority key system which has exactly three degrees of keying

Great Grand master Key System – an authority key system which has exactly four degrees of keying


Handed – associated with hardware that’s manufactured only for application on doors having a specific orientation

Handle Set – a whole lock or latch assembly which incorporates a pitcher handle

Hard Plate – a tempered barrier placed involving the lock and the outside of a safe to inhibit drilling

Hasp – a hinged metal strap meant to be passed over the staple and secured in place

High Security Cylinder – a cylinder which provides an increased degree of effectiveness against drilling or any other types of forcible entry and a number of of the following: picking, impressioning, or key duplication

High Security Key – a lock operating device which provides additional defense against its duplication, and/or provides integral features precluding bypass/neutralization of a lock

Hold Open – a function of self latching hardware which allows a lock to be set in a very non-latching mode. A function of a door closer, or separate hardware device, which allows the threshold to be retained in an open position

Hold Back – a function of some self latching locks which allows selective retention of the bolt in order to avoid latching once the door is closed

Hollow Metal Door – typically a door created from sheet metal on all surfaces and lightly reinforced to really make it rigid

Hook Bolt – a lock bolt shaped inside general outline of a hook. Normally applied to sliding doors or where spreading of the frame and door is often a possible attack.

Hybrid Locking System – a locking system which derives its security from 2 or more different technologies operated from the same get into one device, e.g. mechanical/electronic, mechanical/magnetic, etc.


Jamb – the vertical components of a door frame

Jimmy – “to jimmy” a door is to start it by method of force.


KA – Keyed alike

KD – keyed different

Keep – recess a bolt or latch with sit in when lock is locked.

Key – a correctly combinated device that’s, or most closely resembles, these devices specifically intended from the lock manufacturer to use the related lock

Key Blank – any material manufactured towards the proper size and configuration which allows entry into the key-way of a specific locking device and could then be bitted to get an operating key to the device

Key Cabinet – a cabinet with hooks, velcro, or any other means meant to store keys systematically

Key Coding machine – a key machine designed for producing code keys. It may or may not also serve as being a duplicating machine.

Key Cut Profile – the contour of a key cut, including the cut angle and the out root shape

Key Duplication Machine – a key machine that’s meant to make copies from a pattern key

Key Extractor – a tool designed to be used to take out a broken or stuck key from a lock

Key Gauge – a usually flat device having a cutaway portion indexed having a given set of depth or spacing specifications. It is used to help determine the mix of a key.

Key Holder – someone to whom a key continues to be issued

Key in Knob Cylinder – a cylinder found in a key-in-knob lock set

Key in Knob Lock Set – any lock set with a key operated cylinder in a number of knobs

Key Lock – associated with a tool operated by way of a mechanical key, instead of combination, electronics, etc.

Key Machine – any machine meant to cut keys, See also “key coding machine” and “key duplicating machine.”

Key Manipulation – manipulation of your incorrect get into order to use a lock or cylinder

Key Override – 1. a provision allowing interruption or circumvention of normal operation of a combination lock or electrical device

Key override – 2. adj. of or associated with such a provision, as in “key override cylinder”

Keyed Alike – of or associated with 2 or more looks or cylinders which may have or will have a similar combination. They may or may not be part of a keying system

Keyed Different – of or pertaining with a group of locks or cylinders, all of that’s or possibly to be combinated differently in the others. They may or may not be part of a keying system.

Keyed Random – of or pertaining with a cylinder or group of cylinders selected from a limited inventory of key changes. Duplicate bittings may occur.

Key Hole – the opening through which a non-cylinder key must pass to penetrate a lock

Key Way – 1. the opening in a very lock or cylinder that’s shaped to simply accept key bit or blade of a proper configuration

Key Way – 2. the precise cross sectional configuration of a key-way as viewed in the front. It is not necessarily exactly like the main element section.

Kick Plate – a protective plate mounted on the bottom of a door in order to avoid injury to minimize damage towards the door


Laminated Paldock – a padlock whose case is made from separate plates usually riveted together

Latch – a mechanical or magnetic door fastener which can automatically keep a door, gate, etc., closed

Latch – 2. v. engagement of a latch when a door, gate, etc. is pushed or pulled closed

Latch Bolt – a spring actuated bolt, normally with a number of beveled surfaces, which, when aligned using the strike, engages it automatically

Latch Guard – a plate or mix of interlocking pieces meant to block access towards the edge of a latch once the door is shut

Leaf – 1.One half or section of a hinge 2. One door in a very set of double doors 3. One section of a multiple section door

Lever – an important part in a very mortice lock. usually 5 lever in a very UK insurance approved mortice lock, several levers in internal mortice locks. known collectively as being a “lever pack”

Lock – any device which prevents access or use by requiring special knowledge or equipment

Lock Bumping – a picking technique that employs a configured key forcefully impacted into the key-way

Lock-in – of or pertaining with a combination lock that is inoperable because the last number of a combination is set inside forbidden zone

Lock Out – any situation in which the normal operation of a lock or cylinder is prevented

lock Set – a locking device, full of trim, mounting hardware and strike

Locksmith – someone using the knowledge and power to select, install, service and bypass all the pieces of an electric or mechanical lock


Magnetic Contact – an electric switch activated by magnetic attraction or repulsion

Magnetic Latch – a latch which uses magnetic force to keep engaged using its strike

Magnetic Stripe – a thin layer of material consisting of oriented ferromagnetic oxide particles held together by way of a resin binder and bonded with a non-magnetic surface for example paper or plastic

Manipulate – a dialling process typically used in combination with combination locks to discover operational status of the lock, potential combinations or try and free the mechanism

Manipulation – a opening way for mechanical combination locks which uses the tolerances of this lock to discover a dent combination.

Manipulation Proof – a compounding lock with features meant to prevent determining the combination without physical attack

Manufacturer Reset Code – in an electronic lock, a factory-set or user-set code or combination that will restore the factory default settings

Master Blank – a key blank used in a very complementary key-way lock, where exactly the master key combination is intended to be cut

Master Code – in an electronic lock, a factory-set or user-set combination that needs to be used before programming the lock

Master Disc – a particular disc tumbler with multiple gates to get a sidebar, see also “master pin” #1, see also “stepped tumbler”.

Master Key – 1. a key which operates all the master keyed locks or cylinders in a very group, each lock or cylinder usually operated by its change key

Master Key 2 v. to combinate a group of locks or cylinders in ways that each is

operated by its change key along with by way of a master key to the entire group, 3. n. an automotive key which

operates all or most locks over a vehicle high can be another valet key employed

Master Key System – 1. any keying arrangement which has 2 or more degrees of keying

Master Key System – 2. a keying arrangement which has exactly two degrees of keying

Master Keyed – 1. of or pertaining with a cylinder or group of cylinders that happen to be or are to be combinated in order that all could possibly be operated by their very own change key(s) by additional key(s) known as master key(s) 2. a warded lock whose warding continues to be meant to allow different hierarchies of keys to use

Metal Besk Lock – a cabinet lock having a vertically sliding bolt located on the rear of the cylinder

Milling Cutter – a key machine cutter with relatively coarse pitch teeth as opposed with a rotary file cutter

Mis-cut – of or associated with a key which continues to be cut incorrectly 2. n. a mis-cut key

MK – master key

MK’d – master keyed

Mortise – 1. v. to get ready by removing stock material in the edge of a door, drawer, frame or opening to create a recess which allows the flush fit or insetting of relevant lock or any other hardware, 2. n. the cavity made by mortising, 3. adj. of or pertaining with a locking device meant to fit in a very mortise preparation

Mortise Cylinder – a threaded cylinder typically found in mortise locks of American manufacture

Mortise Exit Device – an exit device designed for mortise installation

Mortice Lock Set – a lock set the truth of that’s meant to fit in a very mortise inside edge of a door or drawer

Motion Alarm Lock – a burglar alarm locking device which audibly alerts upon sensing motion

Movement – a mechanical, electronic or electro-mechanical timer, meant to inhibit the last unlocking of a combination lock or timelock

MP – manipulation proof

MR – manipulation resistant

MS – maximum security

MPL – Multi point lock, as applied to UPVC doors inside UK. a lock which has more than one bolt that happen to be thrown and withdrawn simultaneously, often in more than one direction

Mushroom Pin – a pin tumbler, usually a high pin, which resembles a mushroom. It is usually used to increase pick resistance


Neck – (of key) 1. the portion of a bit key involving the shoulder and the bit(s) 2. the portion of a cylinder key involving the shoulder and the bow

Negative Locking – locking achieved solely by spring pressure or gravity which prevents a key cut too deeply from operating a lock or cylinder

Night Latch – a rim mounted auxiliary latch bolt

Non Handed – associated with hardware that is manufactured in a very way, which allows installation on doors from a orientation without requiring modification or adjustment to allow for the threshold orientation

Non Original Key Blank – any key blank aside from an authentic

Non Removable Key – a key which has a number of cuts into it which trap the main element inside lock upon insertion

Non Reversible – door hardware whose hand cannot be changed inside field


Original Key Blank – a key blank supplied from the lock manufacturer to suit that manufacturer’s specific product

Overhead Concealed Closer – a more in-depth designed for installation out of view in the threshold header area

Overhead Stop – a door stop which contacts the threshold close to the top

Overlifting – 1. a picking technique by using a blank key to enhance the tumblers towards the top of the main element-way

Overlifting – 2. a lock defeat process which utilizes a comb attack to bypass the normal locking combination

Overlifting – 3. a method that moves a spring loaded tumbler past the operating point

Override Code – in an electronic lock, a factory-set or user-set combination that will always open the lock

Override Combination – in a few locks having a user changeable combination, another combination which allows access all the time. It is usually factory set and could not field changeable.


Paddle Handle – a type of actuator that’s relatively flat and operates the mechanism when pivoted on an axis near one end

Padlock – a detachable and portable lock having a shackle which locks into its case

Panic Button – any switching device in an security alarm meant to be activated by way of a person in a very panic situation. It creates an immediate alarm condition

Paracentric – 1. of or associated with a key-way with a number of wards on them projecting past the vertical centre distinctive line of the main element-way to hinder picking 2. of or associated with a key blank made to penetrate such a key-way

Parallel Arm – a type of door closer and/or closer mounting which leaves the arm generally parallel towards the door face when closed

Passage Set – a latch set

Passive anti theft system – an RFID security system employed by Ford which enables the vehicle’s ignition system when a correctly recognized transponder secret is validated

Passive Inferred Device – a tool used to detect motion by detecting modifications in heat

Passive re Locking Device – a tool that places its bolts only upon attack towards the safe or lock

Patented Unrestricted key-way – a certain key-way that’s sold without restriction by way of a lock maker, but which retains patent protection against non-original key blank makers

Pattern Key – 1. an authentic key maintained file to work with in a key duplicating machine when additional keys are essential,

Pattern Key – 2. any key that’s found in a key duplicating machine to create a duplicate key

Peep Hole – a small lens or opening which allows a fixed view through a door

PIN – personal identification number, a series of numbers and/or letters associated having a particular individual as being a method of identification

Pick – 1. a tool or instrument, aside from the created specifically key, made to the function of manipulating tumblers in a very lock or cylinder into the locked or unlocked position through the main element-way, without obvious damage.

Pick – 2. to manipulate tumblers in a very keyed lock mechanism through the main element-way, without obvious damage, by means aside from the created specifically key

Pick Gun – a machine meant to impact all of the bottom pins of a pin tumbler lock at the identical serious amounts of thereby bounce the most notable pins past the shear line

Pick Key – a type of manipulation key, cut or modified to use a lock or cylinder

Pin – to install pin tumblers right into a cylinder and/or cylinder plug, see also “pin tumbler

Pin Chamber – the related hole drilled into the cylinder shell and/or plug to simply accept the pin(s) and spring

Pin Change – a compounding lock that will require manually relocating the fly(s) to change a compounding

Pin Kit – a type of keying kit for the pin tumbler mechanism

PIR – Passive infer-red

Plug – the part of a cylinder containing the main element way, with tumbler chambers usually corresponding to those inside cylinder shell

Plug Follower – a tool used allowing removal of the cylinder plug while retaining the most notable pins, springs, and/or any other components inside the shell

Plug Holder – a holding fixture which assists inside loading of tumblers right into a cylinder plug

Plug Retainer – the cylinder component which secures the plug inside shell

Plug Spinner – a tool which rotates a picked cylinder plug so quickly inside desired direction who’s cannot lock during its rotation

Pull Handle – trim for gripping to use pulling force with a door

Push Plate – a generally flat and commonly rectangular trim mounted for hand contact to push open a door

Push Button Lock – a self contained lock with controls that needs to be pressed in a very specific pattern or sequence to start the lock


Rake – a picking technique that efforts to use quick withdrawal of the pick to put the tumblers

Random Master Keying – any undesirable process used to master key which uses unrelated recommendations for create a process

Ratchet Lock – any lock which incorporates a ratchet device allowing locking in more than one position

Rated – of or pertaining with a product’s compliance with a number of recognized standards for example UL.

Read – to decode a lock combination visually without disassembly of the lock or cylinder

Reader – a tool used in an access control system to interrogate an electronic, magnetic or optical kind of credential

Reference Position – often a numerical designation for the tumbler position inside a lock or possibly a cut position on a key, typically counted in the stop

Rekey – to customize the existing combination of a cylinder or lock

Relocking Device – any device intended in order to avoid normal opening of a safe as being a result of your attack, 2 types are normally used, internal and external

Remote Release – a mechanism for permitting the unlocking from a lock device at a distance in the device

Removable Core – one whose design limits its installation to a number of specific types of housing or shell from a given manufacturer

Removable Cylinder – a cylinder which can be removed from a locking device by a key and/or tool

Removable Shackle – referring with a kind of padlock that’s unlocked by removing the shackle in the case

Repin – to change pin tumblers, with or without changing the present combination

Reset Code – in an electronic lock, a factory-set or user-set code or combination that will restore all factory default settings except the current reset code and the audit trail

Restricted – of or associated with a key-way and corresponding key blank whose sale and/or distribution is bound from the lock manufacturer as a way to reduce unauthorized key proliferation

Reverse Key-Way – a key-way shape that is often a mirror image of another

Reverse Strike – a strike useful for rim mounted hardware applied to reverse bevel doors

Reversible – associated with hardware that is manufactured in a very way, which allows field assembly or adjustment to allow for installation on doors with different orientations

Reversible Key – a usually symmetrical key which can be inserted in either case up to use a lock

RF – Radio frequency

RFID – Radio frequency identification

RH – Right hand

Rim Cylinder – a cylinder typically used in combination with surface applied locks and attached having a back plate and machine screws. It has a tail piece to actuate the lock mechanism

Rim Lock – a lock or latch typically mounted on the surface of a door or drawer

Rose – a usually circular escutcheon


Safe – an important, secure container with varying levels of security and/or fire resistance, used to store valuables against fire or theft

Safe Deposit – a typically key accessed container that will require dual key operation, usually located in the vault

Safe Deposit Function – an operational characteristic of a lock which requires two separate keys doing work in tandem to start the lock

Safe Deposit Lock – a lock that typically requires two separate recommendations for access a container

Safe Door – that portion of a safe used to gain access towards the contents of the safe in a very normal everyday manner

Sash Lock – a type of door or window lock

SDB – Safe deposit box

Second Generation Duplicate – a key reproduced from a first generation duplicate

Self Closing – associated with doors or covers which have a continuous force applied inside closing direction

Semi Automatic Key Machine – a machine able to duplicating keys with limited manual operations

Service Code – in an electronic lock, a factory set or user set code or combination that will open the lock one


Shackle – 1. the part of a padlock, which passes through a dent in an object or fits around a physical object and it is ultimately locked into the case 2. the portion of a restraint which fits around the wrist, ankle, neck, waist or thumb

Shank – 1 the part of a bit key involving the bow and the stop; or, if there is no shoulder stop, the part involving the bow and the near side of the bit, 2. a smaller diameter portion of a knob that is positioned involving the larger portion of the knob and the rose or the threshold surface

Sheer Line – a spot in a very cylinder where specific tumbler surfaces have to be aligned, removing obstruction(s) which prevented the plug from moving

Shim – 1. n. a thin little bit of material used to unlock the cylinder plug in the shell by separating the pin tumblers on the shear line, individually 2. v. to unlock a cylinder plug from its shell by by using a shim

Shoulder – a projection from a key that can be any key stop aside from a little gem stop, see also “bow stop”. Some shoulders on keys serve no functional purpose.

Shoulder Stop – one that serves as being a pause and position the main element in a very lock or cylinder

Shrouded Shackle – a shackle that’s protected from cutting or tampering by design or from the use of secondary shields Simple latch – a non-deadlocking latch

Simultaneous Retraction – a characteristic which allows retraction of both deadbolt and latchbolt inside same operation

Skeleton Key – any non-cylinder key whose bit, blade, and/or post is cut away enough allowing it to penetrate and turn in locks with different ward arrangements

Slim Jim – a narrow strip of spring steel used to bypass the cylinder and unlock vehicle doors

Spindle – an element which transfers rotary motion externally a lock or latch case with an inner mechanism

Split Spindle – a multi-piece spindle which allows a knob or lever to be placed on just one side of a door

Strike – a bolt receptacle typically mounted in the threshold jamb or even the floor

Strike Reinforcer – a metallic plate mounted behind a strike, using long screws to secure it towards the door frame.


Tail Piece – an actuator attached towards the rear of the cylinder, parallel towards the plug, typically applied to rim, key-in-knob or special application cylinders

Talon – the part of a lever lock bolt that is relieved allowing the main element to penetrate and move the bolt.

Tamper Resistant Fastener – any kind of several screws or nuts which have a specialized head, requiring a particular access tool for removal

Tamper Switch – a sensor that signals when someone efforts to access the mechanism of a security device

TCP/IP – the system networks use to talk with one another

Template – a pattern used to mark cutout locations for hardware installation

Thermal Lance – an instrument, useful for cutting having a pure oxygen feed, which utilizes itself and the material being cut as fuel

Throw – the length a bolt or latch projects in the faceplate or case of a lock inside extended position

Thumb Turn – a lock having a thumb piece to actuate the latch, a actuator which can be turned by thumb and forefinger

Thumbturn Cylinder – a cylinder having a turn knob in lieu of a key-way and tumbler mechanism

Time Delay – a characteristic which prevents operation until a set amount of energy has elapsed. Activation normally begins when access, egress or any other unlocking is desired.

Time Delay Lock – a lock which has a mechanism for preventing unlocking until a certain amount of energy has passed

Tow (of a shackle) – that part of the shackle, which can be removed in the padlock body

Tolerance – the deviation allowed from a given dimension

Touch Bar – a type of exit device actuator which typically doesn’t pivot and retracts the bolt having a minimum of pressure

Touch Pad – 1. an exit device actuator having a paddle shape 2. an online door opener activator, typically electric or electronic, which facilitates handicap access

2 in 1 Pick – a tool meant to open lever locks where bolt pressure and lever manipulation are applied simultaneously


Un Combinated – 1. of or pertaining with a cylinder that’s or possibly to be supplied without keys, tumblers and springs 2. of or pertaining with a lock, cylinder or get into which the combination has not been set

Under Lifting – a method that moves a spring loaded tumbler with a point short of the operating examine form a shear line

USB Key – a hardware key connected to a USB port


Valet Key – an automotive key that operates all locks except chambers, over a vehicle high can also be an authority key to use all locks

VATS – Vehicle Anti-Theft System

VATS Key – a key for many General Motors vehicles containing a resistor chip that needs to be qualified from the vehicle as a way to run


Wafer Tumbler – 1. a set tumbler which have to be drawn into the cylinder plug from the proper key in order that none of their extremities extends into the shell 2. a set, usually rectangular tumbler having a gate which have to be aligned having a sidebar from the proper key

Walk in Vault – a vault having a man door and open floor space inside

Wall Vault/Safe – a safe placed in a wall in order that only the threshold plus a frame is visible

Ward – a usually stationary obstruction in a very lock or cylinder which prevents the entry and/or operation of your incorrect key

Ward Cut – a modification of a key which allows it to bypass a ward

Warded – having a number of wards

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