The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole.
Door lock backset.
Pack your locks with a 2 3 8 inch or 2 3 4 inch latch depending on which backset you specify.
Sometimes it s easier to measure from the edge of the door to the highest point on the bore hole.
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If you don t order the correct backset your latches will either be too long or too short and you will not be able to mount your door hardware.
The term backset is used to describe the location of a lock in relation to the edge of a door.
Before purchasing a lock measure your door s backset cross bore and thickness to ensure you find the right fit.
The most common backset is 2 3 8 but 2 3 4 is also quite common usually used on exterior doors.
2 inch backset deadbolt latch square face.
While some lock locations are fairly standard they can vary based on hardware design manufacturer and region.
In the united states there are two common backsets for residential door locks.
This dimension is used for all types of locking devices including cylindrical and mortise locks as well as deadbolts and handle sets.
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2 inch backset locks deadbolts.
Usually the backset measures 2 3 8 inches or 2 3 4 inches.
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In this door backset section please choose your desired size balance by unit.