Standard Residential Door Backset

Gatehouse hall closet door knobs fits most standard residential doors 2 3 8 in.

Standard residential door backset.

Ruler measurements can be tricky to figure out when you think you have a 2 1 4 latch based on how it lines up. Rabbeted jambs were usually used on exterior doors. 2 3 8 2 3 4 or 5 backset. Universal latch standard fits either 2 3 8 60mm or 2 3 4 70mm backsets.

The two standard backset measurements in north america are 2 3 8 inches and 2 3 4 inches. Page 1 of 1 start over page 1 of 1. All standard bored locks ansi 115 2 161 61l type for mortise lock ansi 115 1 86 type all locations must be altered 3 8 lower and standard strike asa type. Residential single and multi family doors.

In the us and canada two standard dimensions are used. So typically at least around here 2 3 4 for exterior 2 3 8 for interior for cylindrical locksets. In the uk and much of europe these dimensions can vary from 25 to 60 mm and many medallion knobs are placed in the center of the door creating a very large backset. To determine the correct backset measurement for your door you need to measure the distance from the edge of the door to the center of your cross bore.

Sometimes it s easier to measure from the edge of the door to the highest point on the bore hole. A backset is the distance from the center of the cross bore to the edge of the door. However in our area you actually have three choices. The most common backset is 2 3 8 but 2 3 4 is also quite common usually used on exterior doors.

And you might find all three on a residential home or a 2 3 8 on a commercial building. In the united states there are two common backsets for residential door locks. For residential 2 3 4 backset was used on rabbeted jambs to keep from hitting your knuckles. Two standard backsets are 2 3 8 and 2 3 4.

5 127mm backset available. Standard backsets are either a 2 3 8 backset or 2 3 4 backset. 2 3 8 inches and 2 3 4 inches. More to consider from our brands.

Other backsets include 2 used by national and lori lock and 5 used by weiser weslock kwikset and others. Available from these sellers. Backset and standard door thickness of 1 3 8 in to 1 3 4 in item 117984 brand. There are also extensions for some brands like schlage that can extend the latch enough to have the lock located in the center of the door.

The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole.