However in our area you actually have three choices.
Standard door lock backset.
2 3 8 2 3 4 or 5 backset.
As commercial hardware normally uses a 2 3 4 backset while residential uses 2 3 8 backset.
While some lock locations are fairly standard they can vary based on hardware design manufacturer and region.
Standard backsets are either a 2 3 8 backset or 2 3 4 backset.
And you might find all three on a residential home or a 2 3 8 on a commercial building.
2 3 8 inches and 2 3 4 inches.
This dimension is used for all types of locking devices including cylindrical and mortise locks as well as deadbolts and handle sets.
The term backset is used to describe the location of a lock in relation to the edge of a door.
The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole.
Pack your locks with a 2 3 8 inch or 2 3 4 inch latch depending on which backset you specify.
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.
You might think that it would be a simple answer.
Get it as soon as tue jun 9.
4 5 out of 5 stars 95.
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.