And you might find all three on a residential home or a 2 3 8 on a commercial building.
Standard door lock backset.
If you dont have any hardware on your door just measure from the edge of the door to the center of the bore hole the large hole where the door knob assembly is mounted.
Defender security u 9590 lock and door reinforcer stainless steel fits 1 3 4 doors 2 3 8 backset reinforce and repair wood or metal doors add extra security to your home help prevent forced entry.
2 3 8 2 3 4 or 5 backset.
The term backset is used to describe the location of a lock in relation to the edge of a door.
While some lock locations are fairly standard they can vary based on hardware design manufacturer and region.
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In the united states there are two common backsets for residential door locks.
As commercial hardware normally uses a 2 3 4 backset while residential uses 2 3 8 backset.
2 3 8 inches and 2 3 4 inches.
The most common backset is 2 3 8 but 2 3 4 is also quite common usually used on exterior doors.
Pack your locks with a 2 3 8 inch or 2 3 4 inch latch depending on which backset you specify.
The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole.
Defender security u 10676 door latch guard outswing 2 5 8 inch backset stainless steel.
You might think that it would be a simple answer.
However in our area you actually have three choices.