Locksmith Guide Camden Town

Locksmith Terms – Locksmiths Camden Town

Related terms and 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 to get a mechanical cylinder which incorporates electronic access control and allows the main host lock to operate without additional wiring or hardware modifications

Access Control Key Fob – any device apart from a vital designed to allow a symbol to be utilized and carried on a vital ring

Active Leaf Door – the door of an pair which the active or locking hardware is mounted

Actuator – a device, usually connected to a cylinder, which, when activated, might cause a lock mechanism to work

After Hours Depository – a good locker or safe where components of value can be left beyond 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 on to the door or frame to stop the bolt or latch from being attacked.

Architectural Hardware – describes all fittings to some door, window or house. Such as – correspondence box, house numbers, handles, door knobs, hinges etc

Attack Resistant – design qualities of an product which render brute force physical defeat methods less efficient or ineffective

Automatic Closing – pertaining to some door that’s designed with a door closer, or another device to close it without manual intervention. Frequently seen in Life Safety and fire code requirements.

Automatic deadbolt – a deadbolt designed to extend itself fully if the door is closed

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


Back Plate – a thin bit of metal, usually with a concave portion, combined with machine screws to fasten certain types of cylinders to some door

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

Back Set – the distance between the centre of an cross-bore along with the bolt edge of an door or drawer

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

Barrel Bolt – a surface mounted slide bolt that includes a cylindrical shape

Barrel Key – a form of bit key with a hole drilled in to the shank from the tip

Bell Box (sounder box) – the protective enclosure to get a bell or another alarm sounding device

Bicycle Padlock – a padlock with sufficient shackle clearance to secure a bicycle

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

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

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

Bit – the the main key which is the blade, usually to use in a warded or lever tumbler lock

Bit Height – a measurement from the post of an bit key outward towards the end with the bit

Bit Key – a vital with more than one projecting bits

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

Bit Width – as inserted in a lock, a measurement from the state of the art towards the trailing edge of an bit

Bitting Depth – the depth of an cut that’s made in to the blade of a vital

Bitting Position – the venue of a vital cut

Blade – the portion of a vital which might offer the cuts and/or millings

Blank – an uncut key

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

Bolt – any movable projection which blocks the movement of one object relative to another

Bow – the portion of the important thing which serves as being a grip or handle

Bow Stop – a form of stop located near the important thing bow

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

Bullet Lock – a lock used mostly on shutters. Once the lock has become inserted into its housing it locks automatically. only unlocked with a vital. Widely used within the UK on shop fronts.

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

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

Burglar Resistant – of or pertaining to some security container designed to resist forcible entry to get a specified period of your energy dependant on the rating with the container

Button Know – the knob in a vital-in-knob lock including a push or turn button

Bypass Key – the important thing which operates a vital override cylinder

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


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

Cam Lock – a whole locking assembly within the form of an cylinder whose cam will be the actual locking bolt

Card Access System – an access control system which utilizes a controlled security card because the credential

Card Holder – one to whom a card has become issued

Card Reader – a device which interprets coding resident on or even in cards

case – the housing or body of an lock

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

Casement Window – a window with a sash which pivots or swings to open

Case Ward – any ward directly mounted on or projecting from your lock case

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

CCW – Counter Clockwise

Central Locking – an area created for the express reason for processing status signals for multiple alarm systems

Combination – the band of numbers which represent the bitting of a vital and/or the tumblers of an lock or cylinder

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

Combination Wheel – a wheel type tumbler in a combination lock

Contact Point – the area on them with the drive cam gate the lever nose makes connection with. Most locks have a left contact point and a right contact point.

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

contactless Smart Card – a card, conforming towards the physical characteristics specified in ISO 7813 & 10536, that contains more than one integrated circuits and use contacts to acquire power and enable interface to external equipment

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

Cut Edge – the the main key blade that contains the cuts

Cut Key – a vital which has become bitted or cut to match a lock

Cylinder – a whole operating unit which in turn consists with the plug shell, tumblers, springs, plug retainer, a cam/tailpiece or another actuating device, and other necessary operating parts

Cylinder Guard – a protective cylinder mounting device

Cylinder Key – a large generic term including almost all keys for pin and disc tumbler locks

Cylinder Lock – any lock that is operated by the cylinder key

Cylindrical Lock Set – a bored lock set whose latch or bolt secure is included in the portion installed over the cross-bore


Deadbolt – a bolt, which needs a deliberate action to increase, and which resists end pressure within the 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 within the unlocking direction through direct pressure

Deadlocking Latch – a latchbolt with a deadlocking mechanism

Decode – to determine a vital combination by physical measurement of a vital and/or cylinder parts

Degree of Rotation – a specification to the angle at which a cut is changed to a vital blade as referenced from the perpendicular; e.g., right (R or 2), left (L or 1) or center (= perpendicular) (C). This specification is usually used by some high security keys.

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

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

Door Closer – a device designed to regulate the closing of an door automatically by various means

Door Puller – an instrument designed to open a secure deposit box by forcibly pulling the threshold and breaking the lock

Door Viewer – a device with more than one lenses, mounted in a door at eye level, that enables a fixed view

by having a door

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

Double Locking – of or pertaining to some lock with more than one bolts with assorted functions, typically a latch and a deadbolt

Double Throw Bolt – a deadbolt which has two distinct extended positions, because 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 with the jamb

Drill Point – the complete measurement with the location used to drill a locked up container to effect a dent

Dummy – associated with any type of non-active device requested for aesthetic purposes

Duplicate Key – any key reproduced from your pattern key

Dust Cover – a device designed to prevent foreign matter from entering a mechanism through the important thing-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 the electronic lock, a factory-set or user-set code or combination that may open the lock a predetermined variety of times

Emergency escape mechanism – an exit device to get a vault

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

Entry/Exit Delay – a security or access control feature that enables a specific time lapse between the activation of an switch along with the activation of an secondary component

Escutcheon – a surface mounted trim which boosts the design and/or security of an lock installation

Espagnolette – a top-notch and bottom locking system with hooks at either end which rotate to draw in a door or window fully closed

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

Exit Door – 1. a door without any provision for ingress, 2. a door which fills some or all the code requirement for safe egress with the occupant load from your building or portion of an building

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


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

Factory Original Key – the cut key provided by the lock manufacturer to get a lock or cylinder

Fail Safe – a feature of an security device designed to release, for safety purposes, throughout a power loss

Fail Secure – a feature of an security device designed to remain locks for security purposes throughout a power loss

Finish – a cloth, coloring and/or texturing specification

Fire Alarm – a process designed to detect and report conditions, which might indicate presence of an fire

Fire Door – a door constructed to provide a specific level of fire protection

Fire Door assembly – any combination of an fire door, frame, hardware along with other accessories, that together provides a specific level of fire protection towards the opening

Fire Exit Hardware – exit devices, which might legally be installed, burning down doors. Distinguished from other exit devices since it:

1.is labeled for both fire and panic and;

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

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

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


Floor Safe – a burglar container created for mounting below floor level while using top surface flush while using finished floor

Flush Bolt – a non-keyed deadbolt, with 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 collection of double doors consists of many small glass panes and narrow stiles


Garage Door Lock – a rim lock mechanism designed to use by using an overhead door, which mechanism carries a spring loaded bolt which automatically locks the threshold’s bolt mechanism

Gate – a notch cut in to the edge of an tumbler to accept fencing or sidebar

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

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


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

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

Hard Plate – a tempered barrier placed between the lock along with the outside of an safe to inhibit drilling

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

High Security Cylinder – a cylinder that provides an increased level of resistance to drilling or another varieties of forcible entry and more than one with the following: picking, impressioning, or key duplication

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

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

Hold Back – a function of some self latching locks that enables selective retention with the bolt to prevent latching if the door is closed

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

Hook Bolt – a lock bolt shaped within the general outline of an hook. Normally used on sliding doors or where spreading with the frame and door is often a possible attack.

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


Jamb – the vertical components of an door frame

Jimmy – “to jimmy” a door is to open 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 – an adequately combinated device that’s, or most closely resembles, the unit specifically intended by the lock manufacturer to work the attached lock

Key Blank – any material manufactured towards the proper size and configuration that enables entry in to the key-way of an specific locking device and could then be bitted to become an operating key to the device

Key Cabinet – a cabinet with hooks, velcro, or another means designed to store keys systematically

Key Coding machine – a vital machine created for the production of code keys. It may or might not exactly also serve as being a duplicating machine.

Key Cut Profile – the form of a vital cut, including the cut angle along with the out root shape

Key Duplication Machine – a vital machine that’s designed to make copies from your pattern key

Key Extractor – an instrument designed to use to eliminate a broken or stuck key from your lock

Key Gauge – a usually flat device with a cutaway portion indexed with a given group of depth or spacing specifications. It is used to help determine the combination of a vital.

Key Holder – one to whom a vital has become issued

Key in Knob Cylinder – a cylinder utilized in a vital-in-knob lock set

Key in Knob Lock Set – any lock set with a vital operated cylinder in more than one knobs

Key Lock – associated with a device operated by the mechanical key, in contrast to combination, electronics, etc.

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

Key Manipulation – manipulation of an incorrect type in order to work a lock or cylinder

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

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

Keyed Alike – of or associated with two or more looks or cylinders who have or are to have a similar combination. They may or might not exactly be part of an keying system

Keyed Different – of or pertaining to some band of locks or cylinders, each of that’s or perhaps to be combinated differently from the others. They may or might not exactly be part of an keying system.

Keyed Random – of or pertaining to some cylinder or band of cylinders selected from your limited inventory of various key changes. Duplicate bittings may occur.

Key Hole – the opening by which a non-cylinder key must pass to enter a lock

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

Key Way – 2. the complete cross sectional configuration of a vital-way as viewed from the front. It isn’t necessarily similar to the important thing section.

Kick Plate – a protective plate mounted on the bottom of an door to prevent problems for minimize damage towards the door


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

Latch – a mechanical or magnetic door fastener that may automatically keep a door, gate, etc., closed

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

Latch Bolt – a spring actuated bolt, normally with more than one beveled surfaces, which, when aligned while using strike, engages it automatically

Latch Guard – a plate or combination of interlocking pieces designed to block access towards the edge of an latch if the door is shut

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

Lever – an element in a mortice lock. usually 5 lever in a UK insurance approved mortice lock, 2 or 3 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 which utilizes a configured key forcefully impacted in to the key-way

Lock-in – of or pertaining to some combination lock that is inoperable because the last number of an combination is set within the forbidden zone

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

lock Set – a locking device, filled with trim, mounting hardware and strike

Locksmith – somebody while using knowledge and ability to select, install, service and bypass all the components 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 remain engaged using its strike

Magnetic Stripe – a thin layer of cloth composed of oriented ferromagnetic oxide particles held together by the resin binder and bonded to some non-magnetic surface for example paper or plastic

Manipulate – a dialling process typically combined with combination locks to determine operational status with the lock, potential combinations or try and free the mechanism

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

Manipulation Proof – a compounding lock with features designed to prevent determining the mix without physical attack

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

Master Blank – a vital blank used in a complementary key-way lock, which only the master key combination is intended to be cut

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

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

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

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

operated by its own change key in addition to by the master key to the entire group, 3. n. an automotive key which

operates all or most locks over a vehicle and then there is a valet key employed

Master Key System – 1. any keying arrangement that has two or more degrees of keying

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

Master Keyed – 1. of or pertaining to some cylinder or band of cylinders that happen to be or are to be combinated to ensure that all could be operated by their own change key(s) and also by additional key(s) known as master key(s) 2. a warded lock whose warding has become designed to allow different hierarchies of keys to work

Metal Besk Lock – a cabinet lock with a vertically sliding bolt located at the rear with the cylinder

Milling Cutter – a vital machine cutter with relatively coarse pitch teeth as opposed to some rotary file cutter

Mis-cut – of or associated with a vital which has become cut incorrectly 2. n. a mis-cut key

MK – master key

MK’d – master keyed

Mortise – 1. v. to organize by removing stock material from the edge of an door, drawer, frame or opening to generate a recess that enables the flush fit or insetting of relevant lock or another hardware, 2. n. the cavity prepared by mortising, 3. adj. of or pertaining to some locking device designed to fit in a mortise preparation

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

Mortise Exit Device – an exit device created for mortise installation

Mortice Lock Set – a lock set the truth of that’s designed to fit in a mortise within the edge of an door or drawer

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

Movement – a mechanical, electronic or electro-mechanical timer, designed to inhibit a final unlocking of an combination lock or timelock

MP – manipulation proof

MR – manipulation resistant

MS – maximum security

MPL – Multi point lock, as used on UPVC doors within the UK. a lock that has multiple bolt that happen to be thrown and withdrawn simultaneously, often in multiple direction

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


Neck – (of key) 1. the portion of an bit key between the shoulder along with the bit(s) 2. the portion of an cylinder key between the shoulder along with the bow

Negative Locking – locking achieved solely by spring pressure or gravity which prevents a vital 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 way, that enables installation on doors associated with a orientation without requiring modification or adjustment to accommodate the threshold orientation

Non Original Key Blank – any key blank apart from a genuine

Non Removable Key – a vital that has more than one cuts on it which trap the important thing within the lock upon insertion

Non Reversible – door hardware whose hand can not be changed within the field


Original Key Blank – a vital blank supplied by the lock manufacturer to match that manufacturer’s specific product

Overhead Concealed Closer – a better created for installation beyond view in the threshold header area

Overhead Stop – a door stop which contacts the threshold at the top

Overlifting – 1. a picking technique by using a blank answer to improve the tumblers towards the top of the important thing-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 after dark operating point

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

Override Combination – in certain locks with a user changeable combination, another combination that enables access at all times. It is normally factory set and could not be field changeable.


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

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

Panic Button – any switching device in the alarm system designed to be activated by the person in a panic situation. It creates an immediate alarm condition

Paracentric – 1. of or associated with a vital-way with more than one wards on them projecting after dark vertical centre distinct the important thing-way to hinder picking 2. of or associated with a vital blank made to enter such a vital-way

Parallel Arm – a form 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 alarm system used by Ford which enables the vehicle’s ignition system when an adequately recognized transponder secret is validated

Passive Inferred Device – a device used to detect motion by detecting alterations in heat

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

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

Pattern Key – 1. a genuine key kept on file to make use of in a vital duplicating machine when additional keys are expected,

Pattern Key – 2. any key that’s utilized in a vital duplicating machine to generate a duplicate key

Peep Hole – a little lens or opening that enables a fixed view by having a door

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

Pick – 1. an instrument or instrument, apart from the specifically made key, made to the reason for manipulating tumblers in a lock or cylinder in to the locked or unlocked position through the important thing-way, without obvious damage.

Pick – 2. to govern tumblers in a keyed lock mechanism through the important thing-way, without obvious damage, by means apart from the specifically made key

Pick Gun – a machine designed to impact all with the bottom pins of an pin tumbler lock at the identical time and thereby bounce the very best pins after dark shear line

Pick Key – a form of manipulation key, cut or modified to work a lock or cylinder

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

Pin Chamber – the attached hole drilled in to the cylinder shell and/or plug to accept the pin(s) and spring

Pin Change – a compounding lock that requires manually relocating the fly(s) to alter a compounding

Pin Kit – a form of keying kit to get a pin tumbler mechanism

PIR – Passive infer-red

Plug – the part of an cylinder that contains the important thing way, with tumbler chambers usually corresponding to those within the cylinder shell

Plug Follower – an instrument used allowing removal with the cylinder plug while retaining the very best pins, springs, and/or another components inside the shell

Plug Holder – a holding fixture that helps within the loading of tumblers in a cylinder plug

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

Plug Spinner – an instrument which rotates a picked cylinder plug so quickly within the desired direction who’s cannot lock during its rotation

Pull Handle – trim for gripping to utilize pulling force to some 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 must definitely be pressed in a specific pattern or sequence to open the lock


Rake – a picking technique that efforts to use quick withdrawal with the pick setting the tumblers

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

Ratchet Lock – any lock which incorporates a ratchet device allowing locking in multiple position

Rated – of or pertaining to some product’s compliance with more than one recognized standards for example UL.

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

Reader – a device used in the access control system to interrogate a digital, magnetic or optical kind of credential

Reference Position – usually a numerical designation to get a tumbler position inside a lock or possibly a cut position on a vital, typically counted from the stop

Rekey – to alter the existing combination of an cylinder or lock

Relocking Device – any device intended to prevent normal opening of an safe as being a result of an attack, 2 types are typically used, internal and external

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

Removable Core – one whose design limits its installation to more than one specific kinds of housing or shell from your given manufacturer

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

Removable Shackle – referring to some kind of padlock that’s unlocked by removing the shackle from the case

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

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

Restricted – of or associated with a vital-way and corresponding key blank whose sale and/or distribution is fixed by the lock manufacturer to be able to reduce unauthorized key proliferation

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

Reverse Strike – a strike used by rim mounted hardware used on reverse bevel doors

Reversible – associated with hardware that is manufactured in a way, that enables field assembly or adjustment to accommodate installation on doors with assorted orientations

Reversible Key – a usually symmetrical key which might be inserted in any event up to work a lock

RF – Radio frequency

RFID – Radio frequency identification

RH – Right hand

Rim Cylinder – a cylinder typically combined with surface applied locks and attached with a back plate and machine screws. It carries a tail piece to actuate the lock mechanism

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

Rose – a usually circular escutcheon


Safe – a considerable, secure container with varying degrees of security and/or fire resistance, used to store valuables against fire or theft

Safe Deposit – a typically key accessed container that requires dual key operation, usually located inside a vault

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

Safe Deposit Lock – a lock that typically requires two separate keys to access a container

Safe Door – that portion of an safe used to gain access towards the contents with the safe in a normal daily manner

Sash Lock – a form of door or window lock

SDB – Safe deposit box

Second Generation Duplicate – a vital reproduced from your first generation duplicate

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

Semi Automatic Key Machine – a machine capable of duplicating keys with limited manual operations

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


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

Shank – 1 the part of an bit key between the bow along with the stop; or, if you have no shoulder stop, the part between the bow along with the near side with the bit, 2. a reduced diameter portion of an knob that is positioned between the larger portion with the knob along with the rose or the threshold surface

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

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

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

Shoulder Stop – one that serves as being a stop to position the important thing in a lock or cylinder

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

Simultaneous Retraction – a feature that enables retraction of the two deadbolt and latchbolt within the same operation

Skeleton Key – any non-cylinder key whose bit, blade, and/or post is cut away enough allowing it to enter and turn in locks with assorted 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 external to a lock or latch case with an inner mechanism

Split Spindle – a multi-piece spindle that enables a knob or lever to be installed on only 1 side of an door

Strike – a bolt receptacle typically mounted in the threshold jamb or 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 with the cylinder, parallel towards the plug, typically used on rim, key-in-knob or special application cylinders

Talon – the part of an lever lock bolt that is relieved allowing the important thing to enter 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 an security device

TCP/IP – it networks use to speak with one another

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

Thermal Lance – an instrument, used by cutting with a pure oxygen feed, which utilizes itself along with the material being cut as fuel

Throw – the distance a bolt or latch projects from the faceplate or case of an lock within the extended position

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

Thumbturn Cylinder – a cylinder with a turn knob as opposed to a vital-way and tumbler mechanism

Time Delay – a feature which prevents operation until a group amount of your energy has elapsed. Activation normally begins when access, egress or another unlocking is desired.

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

Tow (of an shackle) – that the main shackle, which might be removed from the padlock body

Tolerance – the deviation allowed from your given dimension

Touch Bar – a form of exit device actuator which typically does not pivot and retracts the bolt with a minimum of pressure

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

2 in 1 Pick – an instrument designed to open lever locks where bolt pressure and lever manipulation are applied simultaneously


Un Combinated – 1. of or pertaining to some cylinder that’s or perhaps to be supplied without keys, tumblers and springs 2. of or pertaining to some lock, cylinder or type in which the mix will not be set

Under Lifting – a method that moves a spring loaded tumbler to some point short with 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 storage compartments, over a vehicle and then there can be an authority key to work all locks

VATS – Vehicle Anti-Theft System

VATS Key – a vital for many General Motors vehicles that contains a resistor chip that must definitely be qualified by the vehicle to be able to run


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

Walk in Vault – a vault with a man door and open living area inside

Wall Vault/Safe – a secure set up in a wall to ensure that only the threshold and a frame is visible

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

Ward Cut – a modification of a vital that enables it to bypass a ward

Warded – having more than one wards

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