Locksmith Guide Belfast

Locksmith Terms – Locksmiths Belfast

Related terms as well as their meanings locksmith glossary section here.

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

Access Control Cylinder – an upgraded for any 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 apart from an important made to allow an expression for use and carried on an important ring

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

Actuator – a computer, usually connected to a cylinder, which, when activated, might cause a lock mechanism to operate

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

Alarm System – something 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 halt the bolt or latch from being attacked.

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

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

Automatic Closing – pertaining to some door that is designed with a door closer, or any other device to seal it without manual intervention. Frequently present in Life Safety and fire code requirements.

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

Auxillary Lock – any lock positioned in addition for the primary lock set


Back Plate – a thin part of metal, usually which has a concave portion, in combination with machine screws to fasten certain kinds of cylinders to some door

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

Back Set – the distance between the centre of your cross-bore and the bolt edge of your door or drawer

Ball Catch – a latch which uses spring pressure to make a ball bearing right into a recess in their strike

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

Barrel Key – a sort of bit key which has a hole drilled in the shank from your tip

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

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

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

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

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

Bit – the part of the key which serves as the blade, usually for use inside a warded or lever tumbler lock

Bit Height – a measurement from your post of your bit key outward for the end in the bit

Bit Key – an important with several projecting bits

Bit Thickness – a measurement in the bit from side for the other side

Bit Width – as inserted right into a lock, a measurement from your leading edge for the trailing edge of your bit

Bitting Depth – the depth of your cut that is made in the blade of an important

Bitting Position – the location of an important cut

Blade – the part of an important which can contain the cuts and/or millings

Blank – an uncut key

Body – the part of your lock assembly into which every one of the operating components are mounted, see also case

Bolt – any movable projection which blocks the movement of 1 object relative to another

Bow – the part of the important thing which serves like a grip or handle

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

Bow to Tip – a specification a bitting combination is recorded starting in the bow and proceeding for 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 an important. Widely used inside the UK on shop fronts.

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

Burglar Alarm – something made to detect and report conditions, which can indicate intrusion or attempted intrusion

Burglar Resistant – of or pertaining to some security container made to resist forcible entry for any specified period of time based on the rating in the container

Button Know – the knob in an important-in-knob lock that features a push or turn button

Bypass Key – the important thing which operates an important override cylinder

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


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

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

Card Access System – an access control system which uses a controlled security card since the credential

Card Holder – you to whom a card has become issued

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

case – the housing or body of your lock

Case Cover – the portion of your lock case that is made to be removable to allow access for the mechanism

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

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

Catch – any device that holds a door closed and may even be released by simply pushing or pulling on the entranceway

CCW – Counter Clockwise

Central Locking – a spot made for the express purpose of processing status signals for multiple alarm systems

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

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

Combination Wheel – a wheel type tumbler inside a combination lock

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

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

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

Cupboard Latch – a latching mechanism typically surface mounted for the away from cabinet doors or drawers

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

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

Cylinder – a complete operating unit which often consists in 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 large generic term including the majority of keys for pin and disc tumbler locks

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

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


Deadbolt – a bolt, which requires a deliberate action to increase, and which resists end pressure inside the unlocking direction when fully extended

Deadlock – a lock which incorporates a deadbolt

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

Deadlocking Latch – a latchbolt which has a deadlocking mechanism

Decode – to discover an important combination by physical measurement of an important and/or cylinder parts

Degree of Rotation – a specification for your angle of which a cut is made into an important blade as referenced from your perpendicular; e.g., right (R or 2), left (L or 1) or center (= perpendicular) (C). This specification is typically used for 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 – an important whose cuts are drilled or milled into its blade surfaces. The cuts normally don’t alter the blade silhouette.

Door Closer – a computer made to regulate the closing of your door automatically by various means

Door Puller – a power tool made to open a safe deposit box by forcibly pulling the entranceway and smashing the lock

Door Viewer – a computer with several lenses, mounted inside a door at eye level, allowing a limited view

by having a door

Double Bitted Key – an important typically bitted on two opposite surfaces

Double Locking – of or pertaining to some lock with several bolts with various functions, typically a latch and a deadbolt

Double Throw Bolt – a deadbolt containing two distinct extended positions, both of which are deadlocked

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

Drill Point – the actual measurement in the location utilized to drill a locked up container to effect an opening

Dummy – pertaining to any kind of non-active device sent applications for aesthetic purposes

Duplicate Key – any key reproduced from a pattern key

Dust Cover – a computer made 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 uses electricity

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

Emergency escape mechanism – an exit device for any vault

Engineers Key – a selective master key that is utilised by maintenance personnel to operate many locks under different master keys in something of three or maybe more amounts of keying

Entry/Exit Delay – an alarm or access control feature allowing a certain time lapse between the activation of your switch and the activation of your secondary component

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

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

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

Exit Door – 1. a door without any provision for ingress, 2. a door which fills some or every one of the code desire for safe egress in the occupant load from a building or portion of your building

Extractor Key – a power tool which normally removes a portion of your two-piece key or blocking device from an important-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 any lock or cylinder

Fail Safe – an attribute of your security device made to release, for safety purposes, after a power loss

Fail Secure – an attribute of your security device made to remain locks for security purposes after a power loss

Finish – a fabric, coloring and/or texturing specification

Fire Alarm – something made to detect and report conditions, which can indicate presence of your fire

Fire Door – a door constructed to provide a certain amount of fire protection

Fire Door assembly – any combination of your fire door, frame, hardware and other accessories, that together provides a certain amount of fire protection for 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 any means of locking the latch inside a retracted position

Fireman’s Key – an important utilized to override normal operation of elevators, bringing them for the ground floor

First Generation Key – an important which was duplicated using a factory original key or a code original key like a


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

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

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

French Doors – some double doors made up of many small glass panes and narrow stiles


Garage Door Lock – a rim lock mechanism designed for use on an overhead door, which mechanism has a spring loaded bolt which automatically locks the entranceway’s bolt mechanism

Gate – a notch cut in the edge of your tumbler to just accept fences or sidebar

Grand Master Key System – a guru key system containing exactly three amounts of keying

Great Grand master Key System – a guru key system containing exactly four amounts of keying


Handed – pertaining to hardware that is manufactured simply for application on doors which has a specific orientation

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

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

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

High Security Cylinder – a cylinder which provides a better amount of resistance to drilling or any other kinds of forcible entry and several in 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 your lock

Hold Open – a function of self latching hardware allowing a lock to become set inside a non-latching mode. A function of your door closer, or separate hardware device, allowing the entranceway to become retained in the open position

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

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

Hook Bolt – a lock bolt shaped inside the general outline of your hook. Normally suited for sliding doors or where spreading in 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 by the same key in one device, e.g. mechanical/electronic, mechanical/magnetic, etc.


Jamb – the vertical components of your door frame

Jimmy – “to jimmy” a door is to open it by means of force.


KA – Keyed alike

KD – keyed different

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

Key – a nicely combinated device that is, or most closely resembles, the product specifically intended by the lock manufacturer to operate the related lock

Key Blank – any material manufactured for the proper size and configuration allowing entry in the key-way of your specific locking device and may even then be bitted to become an operating key for your device

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

Key Coding machine – an important machine made for producing code keys. It may or might not exactly also serve like a duplicating machine.

Key Cut Profile – the contour of an important cut, including the cut angle and the out root shape

Key Duplication Machine – an important machine that is made to make copies from a pattern key

Key Extractor – a power tool designed for use to eliminate a broken or stuck key from a lock

Key Gauge – a usually flat device which has a cutaway portion indexed which has a given group of depth or spacing specifications. It is utilized to help determine the combination of an important.

Key Holder – you to whom an important has become issued

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

Key in Knob Lock Set – any lock set with an important operated cylinder in several knobs

Key Lock – pertaining to a computer operated by a mechanical key, as opposed to combination, electronics, etc.

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

Key Manipulation – manipulation of your incorrect key in order to operate a lock or cylinder

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

Key override – 2. adj. of or pertaining to a real provision, as with “key override cylinder”

Keyed Alike – of or pertaining to 2 or more looks or cylinders which may have or will have similar combination. They may or might not exactly be part of your keying system

Keyed Different – of or pertaining to some band of locks or cylinders, every one of that is or is to become combinated differently from your others. They may or might not exactly be part of your keying system.

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

Key Hole – the opening whereby a non-cylinder key must pass to get in a lock

Key Way – 1. the opening inside a lock or cylinder that is shaped to just accept key bit or blade of your proper configuration

Key Way – 2. the actual cross sectional configuration of an important-way as viewed from your front. It isn’t necessarily the same as the important thing section.

Kick Plate – a protective plate mounted for the bottom of your door in order to avoid harm to minimize damage for the door


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

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

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

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

Latch Guard – a plate or combination of interlocking pieces made to block access for the edge of your latch if the door is shut

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

Lever – an important part inside a mortice lock. usually 5 lever inside a UK insurance approved mortice lock, two or three levers in internal mortice locks. known collectively like a “lever pack”

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

Lock Bumping – a picking technique which uses a configured key forcefully impacted in the key-way

Lock-in – of or pertaining to some combination lock that is inoperable since the last number of your combination is scheduled inside the forbidden zone

Lock Out – any situation the location where the normal operation of your lock or cylinder is prevented

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

Locksmith – an individual while using knowledge and capability to select, install, service and bypass every one of the aspects 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 stay engaged using its strike

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

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

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

Manipulation Proof – a mixture lock with features made to prevent determining a combination without physical attack

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

Master Blank – an important blank used inside a complementary key-way lock, where merely the master key combination is intended to become cut

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

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

Master Key – 1. an important which operates every one of the master keyed locks or cylinders inside 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 such that each is

operated by its own change key and also by a master key for your entire group, 3. n. an automotive key which

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

Master Key System – 1. any keying arrangement containing 2 or more amounts of keying

Master Key System – 2. a keying arrangement containing exactly two amounts of keying

Master Keyed – 1. of or pertaining to some cylinder or band of cylinders which are or are to become combinated in order that all might be operated by their own change key(s) by additional key(s) known as master key(s) 2. a warded lock whose warding has become made to allow different hierarchies of keys to operate

Metal Besk Lock – a cabinet lock which has a vertically sliding bolt located in the rear in the cylinder

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

Mis-cut – of or pertaining to an important 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 your edge of your door, drawer, frame or opening to generate a recess allowing the flush fit or insetting of relevant lock or any other hardware, 2. n. the cavity made by mortising, 3. adj. of or pertaining to some locking device made to fit inside a mortise preparation

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

Mortise Exit Device – an exit device made for mortise installation

Mortice Lock Set – a lock set the situation of that is made to fit inside a mortise inside the edge of your 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, made to inhibit the last unlocking of your combination lock or timelock

MP – manipulation proof

MR – manipulation resistant

MS – maximum security

MPL – Multi point lock, as suited for UPVC doors inside the UK. a lock containing multiple bolt which are thrown and withdrawn simultaneously, often in multiple direction

Mushroom Pin – a pin tumbler, usually a top pin, which resembles a mushroom. It is typically utilized to increase pick resistance


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

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

Night Latch – a rim mounted auxiliary latch bolt

Non Handed – pertaining to hardware that is manufactured inside a way, allowing installation on doors of the orientation without requiring modification or adjustment to allow for the entranceway orientation

Non Original Key Blank – any key blank apart from an innovative

Non Removable Key – an important containing several cuts into it which trap the important thing inside the lock upon insertion

Non Reversible – door hardware whose hand can’t be changed inside the field


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

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

Overhead Stop – a door stop which contacts the entranceway nearby the top

Overlifting – 1. a picking technique using a blank critical for improve the tumblers for the top of the important thing-way

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

Overlifting – 3. a procedure that moves a spring loaded tumbler beyond the operating point

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

Override Combination – in some locks which has a user changeable combination, an additional combination allowing access all the time. It is often factory set and may even stop field changeable.


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

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

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

Paracentric – 1. of or pertaining to an important-way with several wards on them projecting beyond the vertical centre distinct the important thing-way to hinder picking 2. of or pertaining to an important blank made to get in such an important-way

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

Passage Set – a latch set

Passive anti theft system – an RFID home alarm system utilised by Ford which enables the vehicle’s ignition system when a nicely recognized transponder secret is validated

Passive Inferred Device – a computer utilized to detect motion by detecting changes in heat

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

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

Pattern Key – 1. an innovative key continued file to utilize in an important duplicating machine when additional keys are expected,

Pattern Key – 2. any key that is utilized in an important duplicating machine to generate a duplicate key

Peep Hole – a small lens or opening allowing a limited view by having a door

PIN – personal identification number, a few numbers and/or letters associated which has a particular individual like a means of identification

Pick – 1. a power tool or instrument, apart from the created specifically key, made for your purpose of manipulating tumblers inside a lock or cylinder in the locked or unlocked position through the important thing-way, without obvious damage.

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

Pick Gun – a machine made to impact all in the bottom pins of your pin tumbler lock at a similar some time and thereby bounce the superior pins beyond the shear line

Pick Key – a sort of manipulation key, cut or modified to operate a lock or cylinder

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

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

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

Pin Kit – a sort of keying kit for any pin tumbler mechanism

PIR – Passive infer-red

Plug – the part of your cylinder containing the important thing way, with tumbler chambers usually corresponding to those inside the cylinder shell

Plug Follower – a power tool used to allow removal in the cylinder plug while retaining the superior pins, springs, and/or any other components inside the shell

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

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

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

Pull Handle – trim for gripping to make use of 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 needs to be pressed inside a specific pattern or sequence to open the lock


Rake – a picking technique that tries to use quick withdrawal in the pick setting the tumblers

Random Master Keying – any undesirable process utilized to master key which uses unrelated secrets of create something

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

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

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

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

Reference Position – usually a numerical designation for any tumbler position in a lock or a cut position on an important, typically counted from your stop

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

Relocking Device – any device intended in order to avoid normal opening of your safe like a result of your attack, two sorts are typically used, internal and external

Remote Release – a mechanism for permitting the unlocking of the lock device far away from your device

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

Removable Cylinder – a cylinder which may be removed from a locking device by an important and/or tool

Removable Shackle – referring to some kind of padlock that is unlocked by taking out the shackle from your case

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

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

Restricted – of or pertaining to an important-way and corresponding key blank whose sale and/or distribution is bound by the lock manufacturer so that you can reduce unauthorized key proliferation

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

Reverse Strike – a strike used for rim mounted hardware suited for reverse bevel doors

Reversible – pertaining to hardware that is manufactured inside a way, allowing field assembly or adjustment to allow for installation on doors with various orientations

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

RF – Radio frequency

RFID – Radio frequency identification

RH – Right hand

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

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

Rose – a usually circular escutcheon


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

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

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

Safe Deposit Lock – a lock that typically requires two separate secrets of access a container

Safe Door – that portion of your safe utilized to gain access for the contents in the safe inside a normal day to day manner

Sash Lock – a sort of door or window lock

SDB – Safe deposit box

Second Generation Duplicate – an important reproduced from a first generation duplicate

Self Closing – pertaining to doors or covers which have a continuous force applied inside 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 can open the lock one


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

Shank – 1 the part of your bit key between the bow and the stop; or, when there is no shoulder stop, the part between the bow and the near side in the bit, 2. a lesser diameter portion of your knob that is positioned between the larger portion in the knob and the rose or the entranceway surface

Sheer Line – a spot inside a cylinder of which specific tumbler surfaces should be aligned, removing obstruction(s) which prevented the plug from moving

Shim – 1. n. a thin part of material utilized to unlock the cylinder plug from your shell by separating the pin tumblers in the shear line, individually 2. v. to unlock a cylinder plug looking at the shell by using a shim

Shoulder – a projection from an important that may be any key stop apart from some advice stop, see also “bow stop”. Some shoulders on keys serve no functional purpose.

Shoulder Stop – one that serves like a pause and position the important thing inside a lock or cylinder

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

Simultaneous Retraction – an attribute allowing retraction of both deadbolt and latchbolt inside the same operation

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

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

Spindle – a factor which transfers rotary motion from the outside a lock or latch case with an inner mechanism

Split Spindle – a multi-piece spindle allowing a knob or lever to become placed on only one side of your door

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

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


Tail Piece – an actuator attached for the rear in the cylinder, parallel for the plug, typically suited for rim, key-in-knob or special application cylinders

Talon – the part of your lever lock bolt that is relieved to allow the important thing to get in and move the bolt.

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

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

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

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

Thermal Lance – a musical instrument, used for cutting which has a pure oxygen feed, which uses itself and the material being cut as fuel

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

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

Thumbturn Cylinder – a cylinder which has a turn knob rather than an important-way and tumbler mechanism

Time Delay – an attribute which prevents operation until a collection amount of time has elapsed. Activation normally begins when access, egress or any other unlocking is desired.

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

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

Tolerance – the deviation allowed from a given dimension

Touch Bar – a sort of exit device actuator which typically won’t pivot and retracts the bolt which has a minimum of pressure

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

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


Un Combinated – 1. of or pertaining to some cylinder that is or is to become supplied without keys, tumblers and springs 2. of or pertaining to some lock, cylinder or key in which a combination is not set

Under Lifting – a procedure that moves a spring loaded tumbler to some point short in the operating indicate form a shear line

USB Key – a hardware key connected to a USB port


Valet Key – an automotive key that operates all locks except compartments, with a vehicle and then there is also a guru key to operate all locks

VATS – Vehicle Anti-Theft System

VATS Key – an important for a few General Motors vehicles containing a resistor chip that needs to be qualified by the vehicle so that you can run


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

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

Wall Vault/Safe – a safe positioned in a wall in order that only the entranceway and a frame is visible

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

Ward Cut – an adjustment of an important allowing it to bypass a ward

Warded – having several wards

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