Locksmith Guide Birmingham

Locksmith Terms – Locksmiths Birmingham

Related terms along with their meanings locksmith glossary section here.

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

Access Control Cylinder – a substitute 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 other than a vital meant to allow a symbol to be utilized and carried on a vital ring

Active Leaf Door – the single door of a pair on what the active or locking hardware is mounted

Actuator – a computer device, usually associated with a cylinder, which, when activated, could potentially cause a lock mechanism to function

After Hours Depository – a secure locker or safe where components of value might be left away from hours

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

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

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

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

Automatic Closing – pertaining to your door that’s designed with a door closer, or other device to shut it without manual intervention. Frequently present 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 positioned in addition towards the primary lock set


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

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

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

Ball Catch – a latch which uses spring pressure to force a ball bearing into a recess in the strike

Barrel Bolt – a surface mounted slide bolt which has a cylindrical shape

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

Bell Box (sounder box) – the protective enclosure for any bell or 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 bicycle. 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 doorway to have accordion action when opened

Biometric Lock – of or pertaining to your lock with a hybrid mechanism, section of the mechanism identifies a physical attribute such as finger print, voice print, etc. while another part is really a mechanical mechanism

Bit – the section of the key which serves as the blade, usually for use in a very warded or lever tumbler lock

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

Bit Key – a vital with more than one projecting bits

Bit Thickness – a measurement in the bit in one side towards the other side

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

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

Bitting Position – the venue of a vital cut

Blade – the part of a vital which may retain the cuts and/or millings

Blank – an uncut key

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

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

Bow – the part of the important thing which serves 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 in 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 vital. Widely used inside UK on shop fronts.

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

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

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

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

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

Bypass Tool – a computer device 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 vital 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 which utilizes a controlled security card because credential

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

Card Reader – a computer device 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 to allow access towards the mechanism

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

Case Ward – any ward directly attached to or projecting from your lock case

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

CCW – Counter Clockwise

Central Locking – an area made for the express intent behind processing status signals for multiple alarm systems

Combination – the gang of numbers which represent the bitting of a vital and/or 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 region on them in the drive cam gate how the lever nose makes exposure to. Most locks use a left contact point as well as a right contact point.

Contact Switch – electrical, magnetic or mechanical device which induces a circuit(s) to open or closed depending around the application

contactless Smart Card – a card, conforming towards the physical characteristics per ISO 7813 & 10536, which contains more than one integrated circuits and does not use contacts to get power and allow interface to external equipment

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

Cut Edge – the section of the key blade which contains the cuts

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

Cylinder – a whole operating unit which in turn consists in the plug shell, tumblers, springs, plug retainer, a cam/tailpiece or other actuating device, and all sorts of 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 with a cylinder key

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


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

Deadlock – a lock which incorporates a deadbolt

Deadlocking – regarding any feature which, when fully engaged, resists efforts to move the latch or bolt inside 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 made into a vital blade as referenced from your perpendicular; e.g., right (R or 2), left (L or 1) or center (= perpendicular) (C). This specification is normally used for some high security keys.

Delayed Action Closer – one which has 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 do not change the blade silhouette.

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

Door Puller – a power tool meant to open a good deposit box by forcibly pulling the doorway and damaging the lock

Door Viewer – a computer device with more than one lenses, mounted in a very door at eye level, which allows a restricted view

through a door

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

Double Locking – of or pertaining to your lock with more than one bolts with various functions, typically a latch as well as a deadbolt

Double Throw Bolt – a deadbolt that has 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 precise measurement in the location utilized to drill a locked up container to effect a gap

Dummy – regarding any type of non-active device applied for aesthetic purposes

Duplicate Key – any key reproduced from your pattern key

Dust Cover – a computer device meant 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 that utilizes electricity

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

Emergency escape mechanism – an exit device for any vault

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

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

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

Espagnolette – a premier 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 with a bar or panel extending throughout the major width of the doorway

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

Extractor Key – a power tool which normally removes a percentage of a two-piece key or blocking device from a vital-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 – a characteristic of a security device meant to release, for safety purposes, within a power loss

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

Finish – a material, coloring and/or texturing specification

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

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

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

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

1.is labeled for both fire and panic and;

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

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

First Generation Key – a vital that has been duplicated employing a factory original key or even a code original key being a


Floor Safe – a security container made for mounting below floor level with the top surface flush with the 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 for use on an overhead door, which mechanism carries a spring loaded bolt which automatically locks the doorway’s bolt mechanism

Gate – a notch cut to the edge of a tumbler to just accept a fence or sidebar

Grand Master Key System – a master key system which has exactly three amounts of keying

Great Grand master Key System – a master key system which has exactly four amounts of keying


Handed – regarding 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 a safe to inhibit drilling

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

High Security Cylinder – a cylinder that offers a greater degree of capacity drilling or other varieties of forcible entry and more than one in the following: picking, impressioning, or key duplication

High Security Key – a lock operating device that offers 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 doorway to be retained in a open position

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

Hollow Metal Door – typically a door manufactured 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 utilized on sliding doors or where spreading in the frame and door is really a possible attack.

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


Jamb – the vertical components of a 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 – a nicely combinated device that’s, or most closely resembles, the unit specifically intended through the lock manufacturer to function the corresponding lock

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

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

Key Coding machine – a vital machine made for producing code keys. It may or may not also serve being a duplicating machine.

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

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

Key Extractor – a power tool designed for use to get rid of a broken or stuck key from your lock

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

Key Holder – you to whom a vital continues to be issued

Key in Knob Cylinder – a cylinder used 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 – regarding a computer device operated with a mechanical key, in contrast to combination, electronics, etc.

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

Key Manipulation – manipulation of an incorrect input order to function 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 regarding this kind of provision, as with “key override cylinder”

Keyed Alike – of or regarding 2 or more looks or cylinders who have or will have the same combination. They may or may not be part of a keying system

Keyed Different – of or pertaining to your gang of locks or cylinders, all of that’s or perhaps to be combinated differently from your others. They may or may not be part of a keying system.

Keyed Random – of or pertaining to your cylinder or gang of cylinders selected from your limited inventory of 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 very lock or cylinder that’s shaped to just accept key bit or blade of a proper configuration

Key Way – 2. the precise cross sectional configuration of a vital-way as viewed from your front. It is just not necessarily similar to the important thing section.

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


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

Latch – a mechanical or magnetic door fastener which could 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 more than one beveled surfaces, which, when aligned with the strike, engages it automatically

Latch Guard – a plate or blend 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 list of double doors 3. One section of a multiple section door

Lever – a part in a very mortice lock. usually 5 lever in a very UK insurance approved mortice lock, 2 or 3 levers in internal mortice locks. known collectively 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 to the key-way

Lock-in – of or pertaining to your combination lock that is inoperable since the last number of a combination is placed 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 – somebody with the knowledge and ability to select, install, service and bypass every one of the the different parts of an electrical or mechanical lock


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

Magnetic Latch – a latch which uses magnetic force to stay engaged featuring its strike

Magnetic Stripe – a thin layer of fabric composed of oriented ferromagnetic oxide particles held together with a resin binder and bonded to your non-magnetic surface such as paper or plastic

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

Manipulation – a opening method for mechanical combination locks which uses the tolerances of this lock to determine a gap combination.

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

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

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

Master Code – in a electronic lock, a factory-set or user-set combination that must 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. a vital which operates every one of the master keyed locks or cylinders in a very group, each lock or cylinder usually operated by its very own change key

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

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

operates all or most locks on a vehicle and then there can be another valet key employed

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

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

Master Keyed – 1. of or pertaining to your cylinder or gang of cylinders which are or are to be combinated to ensure that all might be operated by their unique change key(s) through additional key(s) referred to as master key(s) 2. a warded lock whose warding continues to be meant to allow different hierarchies of keys to function

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

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

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

MK – master key

MK’d – master keyed

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

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

Mortise Exit Device – an exit device made 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 security 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 utilized on UPVC doors inside UK. a lock which has more than one bolt which are thrown and withdrawn simultaneously, often in more than one direction

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


Neck – (of key) 1. the portion of a bit key between the shoulder along with the bit(s) 2. the portion of a 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 – regarding hardware that is manufactured in a very way, which allows installation on doors of any orientation without requiring modification or adjustment to accommodate the doorway orientation

Non Original Key Blank – any key blank other than a genuine

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

Non Reversible – door hardware whose hand is not changed inside field


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

Overhead Concealed Closer – a closer made for installation away from view in the doorway header area

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

Overlifting – 1. a picking technique employing a blank key to raise the tumblers towards the top of the important thing-way

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

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

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

Override Combination – in a few locks with a user changeable combination, an additional combination which allows access always. It is generally factory set and may stop field changeable.


Paddle Handle – a form of actuator that’s relatively flat and operates the mechanism when pivoted on 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 a security alarm meant to be activated with a person in a very panic situation. It creates an immediate alarm condition

Paracentric – 1. of or regarding a vital-way with more than one wards on them projecting beyond the vertical centre line of the important thing-way to hinder picking 2. of or regarding 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 security system employed by Ford which enables the vehicle’s ignition system when a nicely recognized transponder secret is validated

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

Passive re Locking Device – a computer device 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 with a lock maker, but which retains patent protection against non-original key blank makers

Pattern Key – 1. a genuine key continued file to use in a vital duplicating machine when additional keys are essential,

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

Peep Hole – a little lens or opening which allows a restricted view through a door

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

Pick – 1. a power tool or instrument, other than the created specifically key, made to the intent behind manipulating tumblers in a very lock or cylinder to the locked or unlocked position through the important thing-way, without obvious damage.

Pick – 2. to control tumblers in a very keyed lock mechanism through the important thing-way, without obvious damage, by means other than the created specifically key

Pick Gun – a product meant to impact all in the bottom pins of a pin tumbler lock at exactly the same some time to thereby bounce the superior pins beyond the shear line

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

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

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

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

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

PIR – Passive infer-red

Plug – the part of a cylinder which contains the important thing way, with tumbler chambers usually corresponding to those inside cylinder shell

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

Plug Holder – a holding fixture that helps inside loading of tumblers into a cylinder plug

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

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

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


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

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

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

Rated – of or pertaining to your product’s compliance with more than one recognized standards such as UL.

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

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

Reference Position – usually a numerical designation for any tumbler position within a lock or even a cut position on a vital, typically counted from your stop

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

Relocking Device – any device intended to avoid normal opening of a safe being a result of an attack, two types are usually used, internal and external

Remote Release – a mechanism for permitting the unlocking of any lock device far away from your 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 might be removed from your locking device by a vital and/or tool

Removable Shackle – referring to your sort of padlock that’s unlocked by treatment of shackle from your case

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

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

Restricted – of or regarding a vital-way and corresponding key blank whose sale and/or distribution is limited through the lock manufacturer in order to reduce unauthorized key proliferation

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

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

Reversible – regarding hardware that is manufactured in a very way, which allows field assembly or adjustment to accommodate installation on doors with various orientations

Reversible Key – a usually symmetrical key which may be inserted in any event up to function 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 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 around the surface of a door or drawer

Rose – a usually circular escutcheon


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

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

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

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

Safe Door – that portion of a safe utilized to gain access towards the contents in the safe in a very normal day by day 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 – regarding doors or covers which use a continuous force applied inside closing direction

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

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


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

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

Sheer Line – an area in a very cylinder at 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, one at a time 2. v. to unlock a cylinder plug from the shell by employing a shim

Shoulder – a projection from a vital that might be any key stop other than some advice stop, see also “bow stop”. Some shoulders on keys serve no functional purpose.

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

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

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

Skeleton Key – any non-cylinder key whose bit, blade, and/or post is cut away enough to allow it to enter 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 – an element which transfers rotary motion externally a lock or latch case for an inner mechanism

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

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

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


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

Talon – the part of a lever lock bolt that is relieved to allow the important thing to enter and move the bolt.

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

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

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

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

Thermal Lance – a device, used for cutting with a pure oxygen feed, that utilizes itself along with the material being cut as fuel

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

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

Thumbturn Cylinder – a cylinder with a turn knob instead of a vital-way and tumbler mechanism

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

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

Tow (of a shackle) – that section of the shackle, which may be removed from your 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. a remote door opener activator, typically electric or electronic, which facilitates handicap access

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


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

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

USB Key – a hardware key associated with a USB port


Valet Key – an automotive key that operates all locks except pouches, on a vehicle and then there can also be a master key to function all locks

VATS – Vehicle Anti-Theft System

VATS Key – a vital for a lot of General Motors vehicles which contains a resistor chip that must be qualified through the vehicle in order to run


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

Walk in Vault – a vault with a man door and open space on the floor inside

Wall Vault/Safe – a good positioned in a wall to ensure that only the doorway as well as a frame is visible

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

Ward Cut – an alteration of a vital which allows it to bypass a ward

Warded – having more than one wards

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