This dimension is used for all types of locking devices including cylindrical and mortise locks as well as deadbolts and handle sets.
What is a mortice lock backset.
A mortise lock is one that requires a pocket the mortise to be cut into the door where the lock is to be fitted and is common in commercial construction.
Vital interior working parts are made of solid hot forged brass or steel for a lifetime of trouble free operation.
Pry resistant lock cylinders for mortise mount locks designed to withstand vandalism better than other lock cylinders these are for use in locks that are mortise mounted into a cutout in the door.
They are commonly used in deadbolt door locks and touch bars with alarms.
The lock body the part installed inside the mortise cut out in the door.
Choose them if you need lock cylinders that each open with a different key.
Backset is the distance from the front of the lock to the centre of the spindle as shown here.
What is meant by backset.
The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole.
In the united states there are two common backsets for residential door locks.
Armored front provides maximum strength and protection against tampering.
They are widely used in domestic properties of all ages in europe.
Pack your locks with a 2 3 8 inch or 2 3 4 inch latch depending on which backset you specify.
A mortise lock is a lock that requires a pocket the mortise to be cut into the edge of the door or piece of furniture into which the lock is to be fitted.
5 backset mortise lock lock specifications standardized heavy steel case is smooth easy to mortise and assures snug and solid fit in door mortise.
The backset is an important measurement as it specifies the distance from the face of the lock to the centre of the keyhole.
In most parts of the world mortise locks are found on older buildings constructed before the advent of bored cylindrical locks but they have recently become more common in commercial and upmarket residential construction in the united states.
While some lock locations are fairly standard they can vary based on hardware design manufacturer and region.
This allows you to correctly line up with existing holes in the door rather than drilling new ones.
Please see the demonstration below.
The term backset is used to describe the location of a lock in relation to the edge of a door.
2 3 8 inches and 2 3 4 inches.
The most common sizes here are 44mm and 56mm give or take a few millimetres.
The width of a mortice lock is measure by measuring the distance between the edge of the case and the edge of the forend.
The parts included in the typical mortise lock installation are.