
lock front, Brit. forend On a door lock or latch, the plate through which the latching or locking bolt (or bolts) projects. McGraw-Hill Dictionary of Architecture and Construction.
What is a door forend?
Forend – The forend is the visible part of the lock once fitted. It is important the finish matches the rest of the door furniture. Our forends are either single fixed forends or double forends; the former has the forend fixed and the latter has a dress plate so the right finish can be used.
What are the different parts of a lock called?
The main parts of a door lock are the cylinder, bolt, box and strike plate. It's useful for any DIY-er to know how things around the home operate. Understanding the different parts that work together to make a door handle and lock work, can help you fix minor problems on your own.
What is the purpose of a Deadlatch?
The purpose of the deadlatch is to prevent the latch from being pushed back with a knife or credit card when the door is closed. When cylindrical locks are used with on doors without electric strikes, the deadlatch rests on the metal strike plate that is mounted on the door frame.
What is the thing called that you put a padlock on?
The typical shackle is a "U" shaped loop of metal (round or square in cross-section) that encompasses what is being secured by the padlock (e.g., chain link or hasp).
What are the four basic types of locks?
Although there are many types of locks, the four most common are padlocks, deadbolts, knob locks, and levers.
What are the three types of lock?
They are available in three different types: lockable thumb-turn, single and double. For the single cylinder, the lock has a key barrel on the outside, and the inside has a thumb-turn. The lock can easily be opened from the inside if an intruder has access to the thumb-turn.
What is the difference between a deadbolt and a Deadlatch?
The difference between a deadbolt and deadlatch is that when you close the door behind you, the deadlatch will self-deadlock. Once again, you will keylock a deadlatch from the inside before leaving, but it will allow you to close the door behind you without having to keylock it from the outside when you leave.
What is the difference between a spring latch and a Deadlatch?
A deadlatch is not spring-loaded, and provides extra security over a spring latch. A latch is operated with a key on the outside and a turn-style knob on the inside. One great feature of a latch is that it can be set to automatically lock when the door closes. This extra safety feature is helpful in any home.
Is a Deadlatch secure?
A deadlatch is a mechanism that self-locks when you close the door. This single point locking mechanism is a safe and secure lock that functions through the retraction of its latchbolt and guardbolt.
What is padlock hasp?
Definition of hasp lock 1 : a prison lock attached permanently to the hasp of a door and adapted to secure the door. 2 : a detachable lock (as a padlock) to secure a hasp.
What is a padlock shank?
The shackle or shank is the U-shaped bar that loops round from, and back into, the padlock body. This is the most exposed part of the padlock and more susceptible to be attacked. Once again, as the overall size of the padlock increases, the larger the shackle can be making it more secure.
What is a lock strike plate?
A strike plate is a piece of hardware that works with a lock to keep a door secure. Strike plates are installed on the door frame and contains a hole which receives the spring loaded latch or bolt which comes out of the latch or lock.
How many parts are in a lock?
The pin tumbler lock is composed of 6 primary components. These components are: The Lock Housing: The outer shell of the lock that contains the rest of the lock's functional components. The Plug: A small cylinder that rotates within the housing when the correct key is used.
What are the parts of a lock hasp?
What is a Hasp? Locking Hasps and StaplesA hinged clasp used for securing a door, lid, etc. Hasps usually pass over a staple and are fastened by a pin or a padlock.A metal fastening hinge consisting of a strap with a slot that fits over a staple and is secured by a pin, bolt, or padlock.
What are the parts of a mortice lock called?
There are 3 main parts of a mortise lock set: handle, lock body and cylinder.Door handle: is the part to determine esthetics of a lock set and distinguish between mortise lock and other types of locks. ... Lock body: installed in the inside door stile, is a part that determines the durability of a lock set.More items...•
What are the parts of a deadbolt lock called?
What are the Parts of a Deadbolt?Thumb-latch / Thumbturn. The thumb-latch (or thumbturn) is the part of your deadbolt inside your home that you use to lock and unlock your deadbolt.Deadbolt. The deadbolt is the piece of the lock that secures your door shut.Turnpiece / Tailpiece. ... Keyhole.
What is an armoured forend?
Armoured forend – The American term for a double forend, comprising one inner and one separate outer forend. Automatic deadlatch – A deadlatch, the main bolt of which is automatically locked (or deadlocked) when the door is closed.
What is cabinet lock?
Cabinet lock – A generic term to include all locks of any type for use on pieces of furniture, such as cupboards, drawers, chests, boxes and the like.
What is the collar on a cylinder key?
Collar – The shoulder on the shank of a rim , mortice or bitted key, controlling the point at which the key comes to rest after being fully inserted into the lock.
What is action in a lock?
Action – The arrangements of live or latch bolts and their accessories in a lock or latch, and how they function.
What is a bathroom lock?
Bathroom lock – A lock with a springbolt operable on both sides by furniture, and a deadbolt operable from the inside only, usually by thumb turn. Belly (of Lever) – The edge, generally curved, which the key touches. Birmingham Bar – A steel bar fitted to the inside face of a door frame on the hinge side.
What is a servant key?
2. One servant key is required to pass two or more different locks, all being in the same suite or subsuite. 3. A servant or submaster key of one subsuite is required to pass one or more locks in another subsuite.
What is a bolt hole?
Bolt hole – The hole in a case, forend, plate or staple to guide and/or admit the bolt. Bolt Stump – According to some authorities, this is the name of the part that upstands, usually rectangular in section, on a dead bolt or runner which passes through the slot or gating in the levers as the bolt moves.
What is a mod in a forendor?
Mod allows the user to change the forendor buttstock without removing the rifle action from the main chassis section after installation and/or bedding.
Who is the sole representative of ForendElectrical Materials and Foreign Trade Co?
Electra USA has been selected as the sole representative of ForendElectrical Materials and Foreign Trade Co.
What is a deadbolt lock?
Deadbolt/Latchbolt/Lock – this is the locking bar of metal that when instructed protrudes from the lockcase into the door frame and thus the lock engages. The Latch has a spring behind it which pushes the latch out until depressed in; thus when the door is shut it depresses slightly over the strike plate and then engages in the strike plate in the frame when the door is fully shut. Latchbolts come in a number of styles, however all have a diagonal slant cut across the bolt to allow the bolt to slide across the strike plate. The Deadbolt is an unsprung rectangular bar of metal that moves only when mechanically thrown and withdrawn by a key/cylinder/Bathroom turn and release.
What is the outer casing that conceals and protects the inner workings of a car?
Lockcase – The outer casing which conceals and protects the inner workings.
What is a bolt aperture?
Bolt apertures –These are holes in the lockcase that allow back to back bolts to run right through the door and secure the handles either side of the door.
Product Details
The MOE M-LOK Forend is a drop-in replacement for the Mossberg 590 / 590A1* 12ga shotguns, featuring an extended length and front / rear hand stops for improved weapon manipulation.
Resources
EXPORT NOTICE: This is an item controlled for export by the International Traffic in Arms Regulations (ITAR). These controls take the form of export regulations and license requirements.
What is M-Lok in firearms?
M-Lok promised to drop some of the excess weight associated with Picatinny rails while remaining durable enough for hard use. The company’s goal was to: (a) maintain a rigid standard so end users would be assured of compatibility across brands; and (b) make the system affordable for other manufacturers to adopt the standard.
What is M-Lok attachment?
M-Lok is an attachment system that allows you to add an accessory to a rifle or other firearm. In that way, it’s not a new idea.
What are the things that can be attached to a rifle?
Combat through the centuries led to other innovations such as slings, lights, lasers and even IR (infrared) illuminators. All of these items can be attached to a rifle to give its wielder an edge in battle. In the past, accessories have been attached with tape, Velcro and hose clamps. None of these were ideal.
What is the M-Lok rail used for?
In that time the Picatinny rail system has fallen out of favor with many companies building AR-style rifles. The 1913 rail is often used for optics mounts , but many companies are now using M-Lok rails on their handguards.
What is the M-Lok standard?
Magpul, widely regarded as an innovator in the firearms industry, developed a standard called M-Lok . M-Lok promised to drop some of the excess weight associated with Picatinny rails while remaining durable enough for hard use.
Why do people attach things to guns?
As long as there have been men carrying rifles into combat , people have been attaching things to those guns to improve the odds of their survival. Perhaps the most obvious example of this is the bayonet. By attaching a blade or spike to your rifle, the gun can now serve as an improvised melee weapon similar to a spear or pike.
Is M-Lok compatible with other manufacturers?
This allowed other manufacturers to adopt the new standard without paying royalty fees to Magpul. For a consumer, the bottom line is all M-Lok parts are 100% compatible and there are no increased fees due to licensing agreements.
How Do I Know What Size My Lock Is?
When measuring an existing mortice lock, it is best to remove it from the door if possible. Before you reach for your tape measure though, we will need to cover some terminology so that the correct dimensions can be checked.
How Do You Measure a Tubular Mortice Lock?
So far, we’ve looked at large mortice lockcases, like insurance rated 5 lever sashlocks and DIN standard lockcases, but there are also smaller locks and latches which look very different to the above, larger lockcases. Small case locks and tubular latches and deadbolts use the same terminology as other locks but they’ll often have fewer components. For example, a tubular latch will have a forend, latch bolt and follower but wouldn’t have a piercing for a cylinder or key. A tubular latch is a compact and efficient latch, morticed into the door and operated by a pair of door handles or doorknobs, ideal for internal doors which need to be closed but aren’t locking. The important dimensions to check with a tubular mortice lock or latch are the lockcase depth and backset to the follower.
What are the parts of a mortice lock?
As shown below there are 2 main parts to a mortice lock these are the case and the forend. 1. Backset. The backset is measured by placing a tape measure or ruler from the center of the keyhole to the forend of the mortice lock. Please see the demonstration below:
How to measure mortice lock width?
The width of a mortice lock is measure by measuring the distance between the edge of the case and the edge of the forend. Please see demonstration below on how to do this:

Glossary – A
Glossary – B
Glossary – C
Glossary – D
- Deadbolt – The square-ended bolt of a lock which is moved in both the locking and unlocking directions by the key (but occasionally by thumb turn inside only) to provide fastening. N.B. For obvious reasons, it is inadvisable to incorporate the thumb turn with the deadbolt of any deadlock or lock which is supposed to offer good security, if used on glass or wood panelled doors. Deadl…
Glossary – E
- Ear of Key or shoulder– The projecting stop on one or both edges of a pin tumbler or other key near the bow to prevent the key from being pushed too far into the lock. Easy action– A lock is designed so that only light spring pressure is required to move the bolt; additional spring pressure is required to move the follower and lock furniture. This is necessary especially when lock furnit…
Glossary – F
- Face plate– The outer of a double forend. A strip of metal fixed to the inner forend, thus forming a double forend. False Notches or false gating – 1. The notches in the bar of the levers and the bolt stump of some locks to improve the security against attempted picking. 2. Cuts or notches which are put in some keys to give the appearance of greate...
Glossary – G
- Gating– The slot in a lever through which the bolt stump passes or goes into during the travel of the bolt or runner. Grand Master Key– When a series of locks is divided into two or more sub-suites the key which controls all the sub-suites (i.e. all the locks in the entire complex) is called the grand master key. Great Grand Master Key– One higher in degree than a grand master key. I…
Glossary – H
- Handing of doors, windows, cupboards, and other openings Hasp and staple– A fastening in two pieces for a door or box to be secured by a padlock. The hinged part is called the hasp which is fitted to the door or lid of a box and shuts over the staple, which is on the door frame (or other leaf of a pair of doors) or the body of the box. For real security it is essential to use a hasp and stapl…
Glossary – I
- Interpassing– An alternative name for cross suiting. Imitation BMA An electro deposited powder or lacquer finish on metal to simulate as nearly as possible the genuine Bronze Metal Antique finish. It is known as IBMA.
Glossary – J
- Jamb– The vertical member of a door or window frame. In some areas the top rail of a door frame is referred to as the top jamb.