Standard Door Lock Backset
2 3 8 2 3 4 or 5 backset.
Standard door lock backset. 2 3 8 inches and 2 3 4 inches. In the united states there are two common backsets for residential door locks. And you might find all three on a residential home or a 2 3 8 on a commercial building. 4 5 out of 5 stars 95.
This dimension is used for all types of locking devices including cylindrical and mortise locks as well as deadbolts and handle sets. 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. Defender security u 10676 door latch guard outswing 2 5 8 inch backset stainless steel. 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. Standard backsets are either a 2 3 8 backset or 2 3 4 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. You might think that it would be a simple answer.
As commercial hardware normally uses a 2 3 4 backset while residential uses 2 3 8 backset. Get it as soon as tue jun 9. The most common backset is 2 3 8 but 2 3 4 is also quite common usually used on exterior doors.