Locksmith Guide Bristol

Locksmith Terms – Locksmiths Bristol

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

Access Control Key Fob – any device other than an important made to allow an expression to be utilized and sustained an important ring

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

Actuator – a tool, usually linked to a cylinder, which, when activated, could cause a lock mechanism to operate

After Hours Depository – a secure locker or safe where pieces of value could be left out of 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 on to the door or frame to avoid the bolt or latch from being attacked.

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

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

Automatic Closing – pertaining to a door which can be built with a door closer, or other device to shut it without manual intervention. Frequently found 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 installed in addition on the primary lock set


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

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

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

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

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

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

Bell Box (sounder box) – the protective enclosure to get a bell or 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 sets of hinges, the extra set(s) allows the door on an accordion action when opened

Biometric Lock – of or pertaining to a lock which has a hybrid mechanism, area of the mechanism identifies an actual physical attribute such as finger print, voice print, etc. while another part is really a mechanical mechanism

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

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

Bit Key – an important with more than one projecting bits

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

Bit Width – as inserted in a lock, a measurement from the innovative on the trailing edge of a bit

Bitting Depth – the depth of a cut which can be made in to the blade of an important

Bitting Position – the venue of an important cut

Blade – the area of an important which might support the cuts and/or millings

Blank – an uncut key

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

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

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

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

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

Bullet Lock – a lock used mostly on shutters. Once the lock may be inserted into its housing it locks automatically. only unlocked with an important. Widely used within the UK on shop fronts.

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

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

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

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

Bypass Key – the main element which operates an important override cylinder

Bypass Tool – a tool that neutralizes the protection 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 an important or cylinder plug on the bolt works of a lock 2. the bolt of a cam lock

Cam Lock – an entire locking assembly within the form of a cylinder whose cam is the actual locking bolt

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

Card Holder – one to whom a card may be issued

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

case – the housing or body of a lock

Case Cover – the portion of a lock case which can be made to be removable to allow access on the mechanism

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

Case Ward – any ward directly attached with or projecting from your 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 spot made for the express reason for processing status signals for multiple alarm systems

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

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

Combination Wheel – a wheel type tumbler in a combination lock

Contact Point – the area on each side with the drive cam gate that this lever nose makes experience of. Most locks use a left contact point along with a right contact point.

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

contactless Smart Card – a card, conforming on the physical characteristics specified in ISO 7813 & 10536, which contains more than one integrated circuits and will not use contacts to obtain power and permit interface to external equipment

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

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

Cut Key – an important which may be bitted or cut to adjust to a lock

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

Cylinder Guard – a protective cylinder mounting device

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

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

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


Deadbolt – a bolt, which requires 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 – related to 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 which has a deadlocking mechanism

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

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

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

Dimple Key – an important whose cuts are drilled or milled into its blade surfaces. The cuts normally do not affect the blade silhouette.

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

Door Puller – something made to open a secure deposit box by forcibly pulling the door and smashing the lock

Door Viewer – a tool with more than one lenses, mounted in a door at eye level, which allows a small view

through a door

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

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

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

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

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

Dummy – related to any kind of non-active device requested aesthetic purposes

Duplicate Key – any key reproduced from your pattern key

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


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

Electronic Access Control – access control that uses electricity

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

Emergency escape mechanism – an exit device to get a vault

Engineers Key – a selective master key which can be used by maintenance personnel to operate many locks under different master keys in a process of three or maybe more numbers of keying

Entry/Exit Delay – a security or access control feature which allows a particular time lapse between your activation of a switch and the activation of a secondary component

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

Espagnolette – a top 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 by way of a bar or panel extending over 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 the code requirement of safe egress with the occupant load from your building or portion of a building

Extractor Key – something which normally removes a portion of a two-piece key or blocking device from an important-way


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

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

Fail Safe – an element of a security device made to release, for safety purposes, within a power loss

Fail Secure – an element of a security device made to remain locks for security purposes within a power loss

Finish – a material, coloring and/or texturing specification

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

Fire Door – a door constructed to supply a particular amount of fire protection

Fire Door assembly – any combination of a fire door, frame, hardware and other accessories, that together provides a particular amount of fire protection on the opening

Fire Exit Hardware – exit devices, which might legally be installed, burning doors. Distinguished using their company exit devices since it:

1.is labeled for both fire and panic and;

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

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

First Generation Key – an important that has been duplicated by using a factory original key or perhaps a code original key being a


Floor Safe – a security container made for mounting below floor level using the top surface flush using the 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 on the lock or enclosure

French Doors – a collection of double doors composed of many small glass panes and narrow stiles


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

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

Grand Master Key System – an authority key system which includes exactly three numbers of keying

Great Grand master Key System – an authority key system which includes exactly four numbers of keying


Handed – related to hardware which can be manufactured limited to application on doors which has 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 the outside of a safe to inhibit drilling

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

High Security Cylinder – a cylinder that offers a greater amount of effectiveness against drilling or other kinds of forcible entry and more than one with 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 get set in a non-latching mode. A function of a door closer, or separate hardware device, which allows the door to get retained within an open position

Hold Back – a function of some self latching locks which allows selective retention with the bolt to avoid latching if 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 a hook. Normally used on sliding doors or where spreading with 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 key in 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 up it by way 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 through the lock manufacturer to operate the related lock

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

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

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

Key Cut Profile – the shape of an important cut, such as the cut angle and the out root shape

Key Duplication Machine – an important machine which can be made to make copies from your pattern key

Key Extractor – something designed for use to eliminate a broken or stuck key from your 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 used to help determine the blend of an important.

Key Holder – one to whom an important may be 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 more than one knobs

Key Lock – related to a tool operated by way of a mechanical key, in contrast 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 the incorrect key in order to operate 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 related to this kind of provision, as with “key override cylinder”

Keyed Alike – of or related to 2 or more looks or cylinders which may have or are going to have the same combination. They may or might not be part of a keying system

Keyed Different – of or pertaining to a gang of locks or cylinders, everyone of which can be or possibly to get combinated differently from the others. They may or might not be part of a keying system.

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

Key Hole – the opening whereby 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 a proper configuration

Key Way – 2. the exact cross sectional configuration of an important-way as viewed from the front. It isn’t necessarily similar to the main element section.

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


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

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

Latch – 2. v. engagement of a latch whenever 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 using the strike, engages it automatically

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

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

Lever – a component in a mortice lock. usually 5 lever in a UK insurance approved mortice lock, a few 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 that utilizes a configured key forcefully impacted in to the key-way

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

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

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

Locksmith – an individual using the knowledge and capacity to select, install, service and bypass all 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 with its strike

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

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

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

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

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

Master Blank – an important blank used in a complementary key-way lock, where only the master key combination is intended to get cut

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

Master Disc – a special 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 all the master keyed locks or cylinders in a group, each lock or cylinder usually operated by its change key

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

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

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

Master Key System – 1. any keying arrangement which includes 2 or more numbers of keying

Master Key System – 2. a keying arrangement which includes exactly two numbers of keying

Master Keyed – 1. of or pertaining to a cylinder or gang of cylinders which can be or are to get combinated so that all could be operated by their particular change key(s) by additional key(s) called master key(s) 2. a warded lock whose warding may be made to allow different hierarchies of keys to operate

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

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

Mis-cut – of or related to an important which may be cut incorrectly 2. n. a mis-cut key

MK – master key

MK’d – master keyed

Mortise – 1. v. to arrange by removing stock material from the 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 served by mortising, 3. adj. of or pertaining to a locking device made 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 made for mortise installation

Mortice Lock Set – a lock set the situation of which can be made to fit in a mortise within the 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, made 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 used on UPVC doors within the UK. a lock which includes several bolt which can be thrown and withdrawn simultaneously, often in several direction

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


Neck – (of key) 1. the portion of a bit key between your shoulder and the bit(s) 2. the portion of a cylinder key between your 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 – related to hardware which is manufactured in a way, which allows 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 innovative

Non Removable Key – an important which includes more than one cuts onto it which trap the main element within the lock upon insertion

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


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

Overhead Concealed Closer – a better made for installation out of view in the door header area

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

Overlifting – 1. a picking technique by using a blank critical for improve the tumblers on the top of the main element-way

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

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

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

Override Combination – in certain locks which has a user changeable combination, an extra combination which allows access all the time. It is generally 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 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 within an self-protection system made to be activated by way of a person in a panic situation. It creates an immediate alarm condition

Paracentric – 1. of or related to an important-way with more than one wards on each side projecting after dark vertical centre distinctive line of the main element-way to hinder picking 2. of or related to an important blank made to penetrate such an important-way

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

Passage Set – a latch set

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

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

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

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

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

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

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

PIN – personal identification number, a number of numbers and/or letters associated which has a particular individual being a way of identification

Pick – 1. something or instrument, other than the specifically made key, made to the reason for manipulating tumblers in a lock or cylinder in to the locked or unlocked position through the main element-way, without obvious damage.

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

Pick Gun – a product made to impact all with the bottom pins of a pin tumbler lock at the identical time and thereby bounce the superior pins after dark shear line

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

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

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

Pin Change – a combination lock that needs manually relocating the fly(s) to switch a combination

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

PIR – Passive infer-red

Plug – the part of a cylinder which contains the main element way, with tumbler chambers usually corresponding to those within the cylinder shell

Plug Follower – something used to allow removal with the cylinder plug while retaining the superior pins, springs, and/or other components inside the shell

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

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

Plug Spinner – 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 open up 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 recommendations for create a process

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

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

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

Reader – a tool used within an access control system to interrogate a digital, magnetic or optical sort of credential

Reference Position – normally a numerical designation to get a tumbler position within a lock or perhaps a cut position on an important, typically counted from the stop

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

Relocking Device – any device intended to avoid normal opening of a safe being a result of the attack, 2 types are generally used, internal and external

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

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

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

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

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

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

Restricted – of or related to an important-way and corresponding key blank whose sale and/or distribution is bound through the lock manufacturer to be able to reduce unauthorized key proliferation

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

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

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

Reversible Key – a usually symmetrical key which might be inserted either way up to operate a lock

RF – Radio frequency

RFID – Radio frequency identification

RH – Right hand

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

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

Rose – a usually circular escutcheon


Safe – a considerable, secure container with varying examples 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 a very vault

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

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

Safe Door – that portion of a safe used to gain access on 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 – an important reproduced from your first generation duplicate

Self Closing – related to doors or covers which use a continuous force applied within the closing direction

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

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


Shackle – 1. the part of a padlock, which passes through a dent within an object or fits around an object and it is ultimately locked in 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 your bow and the stop; or, if there is no shoulder stop, the part between your bow and the near side with the bit, 2. a lesser diameter portion of a knob which is positioned between your larger portion with the knob and the rose or the door surface

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

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

Shoulder – a projection from an important that could 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 main element in a lock or cylinder

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

Simultaneous Retraction – an element which allows retraction of the deadbolt and latchbolt within the same operation

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

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

Spindle – a factor which transfers rotary motion external to a lock or latch case with an inner mechanism

Split Spindle – a multi-piece spindle which allows a knob or lever to get attached to only 1 side of a door

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

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


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

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

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

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

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

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

Thermal Lance – a device, used by cutting which has a pure oxygen feed, that uses itself and the material being cut as fuel

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

Thumb Turn – a lock which has a thumb piece to actuate the latch, a actuator which could 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 element 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 which includes a mechanism for preventing unlocking until a particular amount of your time has passed

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

Tolerance – the deviation allowed from your given dimension

Touch Bar – a form of exit device actuator which typically doesn’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 isolated door opener activator, typically electric or electronic, which facilitates handicap access

2 in 1 Pick – something made 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 to get supplied without keys, tumblers and springs 2. of or pertaining to a lock, cylinder or key in which the combination will not be set

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

USB Key – a hardware key linked to a USB port


Valet Key – an automotive key that operates all locks except storage compartments, on the vehicle and then there is additionally an authority key to operate all locks

VATS – Vehicle Anti-Theft System

VATS Key – an important for a few General Motors vehicles which contains a resistor chip that really must be qualified through the vehicle to be able to run


Wafer Tumbler – 1. a flat tumbler which have to be drawn in to the cylinder plug through the proper key so that none of their extremities extends in to the shell 2. a flat, usually rectangular tumbler which has a gate which have to be aligned which has a sidebar through the proper key

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

Wall Vault/Safe – a secure installed in a wall so that only the door along with a frame is visible

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

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

Warded – having more than one wards

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