Locksmith Guide Liverpool

Locksmith Terms – Locksmiths Liverpool

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 – an upgraded for the mechanical cylinder which incorporates electronic access control and allows the original host lock to work without additional wiring or hardware modifications

Access Control Key Fob – any device other than a key meant to allow a token to use and sustained a key ring

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

Actuator – a computer device, usually attached to a cylinder, which, when activated, might cause a lock mechanism to function

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

Alarm System – a method of electrical and/or electronic components which detect and report dangers, such as 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 a door, window or house. Such as – instructions box, house numbers, handles, door knobs, hinges etc

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

Automatic Closing – pertaining to a door which can be built with a door closer, and other device to close 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 placed in addition to the primary lock set


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

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

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

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

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

Barrel Key – a form of bit key having a hole drilled into the shank from your tip

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

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

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

BI Fold Door – a door with a couple of groups of hinges, any additional set(s) allows the door to have an accordion action when opened

Biometric Lock – of or pertaining to a lock having a hybrid mechanism, area of the mechanism identifies an actual attribute such as finger print, voice print, etc. while another part can be a mechanical mechanism

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

Bit Height – a measurement from your post of your bit key outward to the end with the bit

Bit Key – a key with a number of projecting bits

Bit Thickness – a measurement with the bit from one side to the other side

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

Bitting Depth – the depth of your cut which can be made into the blade of a key

Bitting Position – the location of a key cut

Blade – the area of a key which may retain the cuts and/or millings

Blank – an uncut key

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

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

Bow – the area of the true secret which serves like a grip or handle

Bow Stop – a form of stop located near the true secret bow

Bow to Tip – a specification a bitting combination is recorded starting at the bow and proceeding to 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 key. Widely used within the UK on shop fronts.

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

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

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

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

Bypass Key – the true secret which operates a key override cylinder

Bypass Tool – a computer device that neutralizes the security 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 a key or cylinder plug to the bolt works of your lock 2. the bolt of your cam lock

Cam Lock – an entire locking assembly within the form of your cylinder whose cam could be the actual locking bolt

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

Card Holder – someone to whom a card has become issued

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

case – the housing or body of your lock

Case Cover – the portion of your lock case which can be meant to be removable allowing access to the mechanism

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

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

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

CCW – Counter Clockwise

Central Locking – a location created for the express intent behind processing status signals for multiple alarm systems

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

Combination Lock – a lock which can be operated by local input of your specific series or sequence of numbers or letters

Combination Wheel – a wheel type tumbler in a combination lock

Contact Point – the area on either side with the drive cam gate how the lever nose makes experience of. Most locks possess a left contact point as well as a right contact point.

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

contactless Smart Card – a card, conforming to the physical characteristics specified by ISO 7813 & 10536, that contains a number of integrated circuits and will not use contacts to obtain power and enable interface to external equipment

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

Cut Edge – the area of the key blade that contains the cuts

Cut Key – a key which has become bitted or cut to adjust to a lock

Cylinder – an entire operating unit which often consists with the plug shell, tumblers, springs, plug retainer, a cam/tailpiece and other actuating device, and many types of other necessary operating parts

Cylinder Guard – a protective cylinder mounting device

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

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

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


Deadbolt – a bolt, which needs a deliberate action to supply, 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 tries to move the latch or bolt within the unlocking direction through direct pressure

Deadlocking Latch – a latchbolt having a deadlocking mechanism

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

Degree of Rotation – a specification for your angle where a cut is changed to a key blade as referenced from your perpendicular; e.g., right (R or 2), left (L or 1) or center (= perpendicular) (C). This specification is typically employed 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 key whose cuts are drilled or milled into its blade surfaces. The cuts normally usually do not alter the blade silhouette.

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

Door Puller – something meant to open a safe deposit box by forcibly pulling the door and breaking the lock

Door Viewer – a computer device with a number of lenses, mounted in a door at eye level, that enables a small view

by way of a door

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

Double Locking – of or pertaining to a lock with a number of bolts with assorted functions, typically a latch as well as a deadbolt

Double Throw Bolt – a deadbolt which includes two distinct extended positions, each 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 with the jamb

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

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

Duplicate Key – any key reproduced from a pattern key

Dust Cover – a computer device meant to prevent foreign matter from entering a mechanism through the true secret-way


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

Electronic Access Control – access control that uses electricity

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

Emergency escape mechanism – an exit device for the vault

Engineers Key – a selective master key which can be utilised by maintenance personnel to function many locks under different master keys in a method of three or higher degrees of keying

Entry/Exit Delay – an alarm or access control feature that enables a particular time lapse between your activation of your switch and also the activation of your secondary component

Escutcheon – a surface mounted trim which reinforces the looks and/or security of your 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 within the direction of exit travel via a bar or panel extending through the major width of the door

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

Extractor Key – something which normally removes some of your two-piece key or blocking device from a key-way


Face Plate – the finished, removable plate which provides coverage for the leading of some locks

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

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

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

Finish – a fabric, coloring and/or texturing specification

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

Fire Door – a door constructed to offer a particular level of fire protection

Fire Door assembly – any combination of your fire door, frame, hardware and also other accessories, that together provides a particular level of fire protection to the opening

Fire Exit Hardware – exit devices, which may legally be installed, unstoppable doors. Distinguished off their exit devices since it:

1.is labeled for both fire and panic and;

2.has no means of locking the latch in a retracted position

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

First Generation Key – a key which was duplicated utilizing a factory original key or a code original key like a


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

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

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

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


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

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

Grand Master Key System – a master key system that has exactly three degrees of keying

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


Handed – associated with hardware which can be manufactured limited to application on doors having a specific orientation

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

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

Hasp – a hinged metal strap meant to be passed more than a staple and secured in place

High Security Cylinder – a cylinder which provides an increased level of resistance to drilling and other varieties of forcible entry and a number of with 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 that enables a lock being set in a non-latching mode. A function of your door closer, or separate hardware device, that enables the door being retained in a open position

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

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

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

Hybrid Locking System – a locking system which derives its security from a couple of different technologies operated by the same type 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 spread out 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 which can be, or most closely resembles, the product specifically intended by the lock manufacturer to function the attached lock

Key Blank – any material manufactured to the proper size and configuration that enables entry into the key-way of your specific locking device and might then be bitted for being an operating key for your device

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

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

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

Key Duplication Machine – a key machine which can be meant to make copies from a pattern key

Key Extractor – something designed to be used to eliminate a broken or stuck key from a lock

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

Key Holder – someone to whom a key has become issued

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

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

Key Lock – associated with a computer device operated by 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 associated with an incorrect type in order to function 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 associated with a real provision, as in “key override cylinder”

Keyed Alike – of or associated with a couple of looks or cylinders which may have or are to have the same combination. They may or might not exactly be part of your keying system

Keyed Different – of or pertaining to a band of locks or cylinders, every one of which can be or possibly being combinated differently from your others. They may or might not exactly be part of your keying system.

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

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

Key Way – 1. the opening in a lock or cylinder which can be shaped to accept key bit or blade of your proper configuration

Key Way – 2. the complete cross sectional configuration of a key-way as viewed from your front. It is not necessarily just like the true secret section.

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


Laminated Paldock – a padlock whose case is constructed 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 your latch every time a door, gate, etc. is pushed or pulled closed

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

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

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

Lever – an element in a mortice lock. usually 5 lever in a UK insurance approved mortice lock, several 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 that utilizes a configured key forcefully impacted into the key-way

Lock-in – of or pertaining to a combination lock that is certainly inoperable for the reason that last number of your combination is scheduled within the forbidden zone

Lock Out – any situation in which 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 with the knowledge and power to select, install, service and bypass all of the aspects 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 be engaged having its strike

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

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

Manipulation – a opening means for mechanical combination locks which uses the tolerances of these lock to discover a gap combination.

Manipulation Proof – a mix lock with features meant to prevent determining a combination 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 key blank used in a complementary key-way lock, on what just the master key combination is intended being cut

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

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

Master Key – 1. a key which operates all of 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 several locks or cylinders so that each is

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

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

Master Key System – 1. any keying arrangement that has a couple of degrees of keying

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

Master Keyed – 1. of or pertaining to a cylinder or band of cylinders which can be or are being combinated in order that all could possibly be operated by their particular change key(s) and by additional key(s) called master key(s) 2. a warded lock whose warding has become meant to allow different hierarchies of keys to function

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

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

Mis-cut – of or associated with a key which has become 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 your door, drawer, frame or opening to produce a recess that enables the flush fit or insetting of relevant lock and other hardware, 2. n. the cavity made by mortising, 3. adj. of or pertaining to a locking device meant 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 case of which can be meant to fit in a mortise within 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, meant to inhibit a final unlocking of your 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 which can be thrown and withdrawn simultaneously, often in multiple direction

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


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

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

Night Latch – a rim mounted auxiliary latch bolt

Non Handed – associated with hardware that is certainly manufactured in a way, that enables installation on doors of any orientation without requiring modification or adjustment to accommodate the door orientation

Non Original Key Blank – any key blank other than an original

Non Removable Key – a key that has a number of cuts into it which trap the true secret within the lock upon insertion

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


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

Overhead Concealed Closer – a more in-depth created for installation away from view in the door header area

Overhead Stop – a door stop which contacts the door near the top

Overlifting – 1. a picking technique utilizing a blank key to boost the tumblers to the top of the true secret-way

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

Overlifting – 3. a process that moves a spring loaded tumbler after dark operating point

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

Override Combination – using locks having a user changeable combination, an additional combination that enables access all the time. It is often factory set and might not be field changeable.


Paddle Handle – a form of actuator which can be relatively flat and operates the mechanism when pivoted while on an axis near one end

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

Panic Button – any switching device in a self-protection system meant to be activated by a person in a panic situation. It creates an instantaneous alarm condition

Paracentric – 1. of or associated with a key-way with a number of wards on either side projecting after dark vertical centre distinct the true secret-way to hinder picking 2. of or associated with a key blank made to penetrate such a key-way

Parallel Arm – a form of door closer and/or closer mounting which leaves the arm generally parallel to 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’s validated

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

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

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

Pattern Key – 1. an original key kept on file to make use of in a key duplicating machine when additional keys are needed,

Pattern Key – 2. any key which can be utilized in a key duplicating machine to produce a duplicate key

Peep Hole – a tiny lens or opening that enables a small view by way of a door

PIN – personal identification number, a series of numbers and/or letters associated having a particular individual like a means of identification

Pick – 1. something or instrument, other than the specifically made key, made for your intent behind manipulating tumblers in a lock or cylinder into the locked or unlocked position through the true secret-way, without obvious damage.

Pick – 2. to govern tumblers in a keyed lock mechanism through the true secret-way, without obvious damage, by means other than the specifically made key

Pick Gun – a product meant to impact all with the bottom pins of your pin tumbler lock at the identical some time and thereby bounce the very best pins after dark shear line

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

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

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

Pin Change – a mix lock that needs manually relocating the fly(s) to alter a mix

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

PIR – Passive infer-red

Plug – the part of your cylinder that contains the true secret way, with tumbler chambers usually corresponding to those within the cylinder shell

Plug Follower – something used allowing removal with the cylinder plug while retaining the very best pins, springs, and/and other components inside shell

Plug Holder – a holding fixture which assists to within the loading of tumblers in to a cylinder plug

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

Plug Spinner – something which rotates a picked cylinder plug so quickly within the desired direction that it cannot lock during its rotation

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

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

Push Button Lock – a self contained lock with controls that really must be pressed in a specific pattern or sequence to spread out the lock


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

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

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

Rated – of or pertaining to a product’s compliance with a number of recognized standards such as UL.

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

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

Reference Position – normally a numerical designation for the tumbler position in a lock or a cut position on a key, 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 associated with an attack, two kinds are typically used, internal and external

Remote Release – a mechanism for permitting the unlocking of any lock device at a distance from your device

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

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

Removable Shackle – referring to a form of padlock which can be unlocked by taking out the shackle from your case

Repin – to change pin tumblers, with or without changing the current 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 and also the audit trail

Restricted – of or associated with a key-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 – a key-way shape that can be a mirror image of another

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

Reversible – associated with hardware that is certainly 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 may be inserted no matter what up to function a lock

RF – Radio frequency

RFID – Radio frequency identification

RH – Right hand

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

Rim Lock – a lock or latch typically mounted on 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, used to store valuables against fire or theft

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

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

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

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

Sash Lock – a form of door or window lock

SDB – Safe deposit box

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

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

Semi Automatic Key Machine – a product able to 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 your padlock, which passes through a gap in a object or fits around an item and it is ultimately locked into the case 2. the portion of your restraint which fits throughout the wrist, ankle, neck, waist or thumb

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

Sheer Line – a location in a cylinder where specific tumbler surfaces must 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 your shell by separating the pin tumblers at the shear line, individually 2. v. to unlock a cylinder plug from its shell by utilizing a shim

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

Shoulder Stop – one that serves like a pause to position the true secret in a lock or cylinder

Shrouded Shackle – a shackle which can be shielded from cutting or tampering by design or by the use of secondary shields Simple latch – a non-deadlocking latch

Simultaneous Retraction – an attribute 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 penetrate 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 externally a lock or latch case with an inner mechanism

Split Spindle – a multi-piece spindle that enables a knob or lever being placed on only one side of your door

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

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


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

Talon – the part of your lever lock bolt that is certainly relieved allowing the true secret to penetrate and move the bolt.

Tamper Resistant Fastener – any one of several screws or nuts which possess 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 system networks use to communicate with one another

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

Thermal Lance – a guitar, employed for cutting having a pure oxygen feed, that uses itself and also the material being cut as fuel

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

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

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

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

Time Delay Lock – a lock which includes a mechanism for preventing unlocking until a particular amount of your time has passed

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

Tolerance – the deviation allowed from a given dimension

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

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

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


Un Combinated – 1. of or pertaining to a cylinder which can be or possibly being supplied without keys, tumblers and springs 2. of or pertaining to a lock, cylinder or type in which a combination will not be set

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

USB Key – a hardware key attached to a USB port


Valet Key – an automotive key that operates all locks except chambers, on a vehicle high can be a master key to function all locks

VATS – Vehicle Anti-Theft System

VATS Key – a key for many General Motors vehicles that contains a resistor chip that really must be qualified by the vehicle so that you can run


Wafer Tumbler – 1. a designated tumbler which must be drawn into the cylinder plug by the proper key in order that none of its extremities extends into the shell 2. a designated, usually rectangular tumbler having a gate which must be aligned having a sidebar by the proper key

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

Wall Vault/Safe – a safe placed in a wall in order that only the door as well as a frame is visible

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

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

Warded – having a number of wards

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