What Does Backset Mean For Door Hardware

The door prep image seen to the left applies to any standard tubular lock or latch set including interior door knobs door levers deadbolts entry door handle set and door handle plates.

What does backset mean for door hardware.

To identify a door s handedness stand outside and note which side the hinges are attached to. If you intend to use new locks or latches on an old door replacing your old ones you will need to make sure the new one fits into the hole in the door. If your doors are different than this please contact us for help. For example a right hand door is hinged on the right and swings to the right.

The device on a door that catches the door frame to shut the door securely. In the united states there are two common backsets for residential door locks. You need to know the spindle s width and thread count to make sure new hardware is compatible with it. Some door hardware comes with an adjustable backset some you have to specify what you need.

Bore hole and cross bore standard door prep is 2 1 8 bore hole with 1 cross bore. Backset the measurement from the bore hole to the edge of the door. Door thickness standard doors are 1 3 8 1 3 4 thick. Backset is the distance from the front of the lock to the centre of the spindle as shown here.

Beyond parts there are a few more terms you might find helpful when it comes to purchasing and installing your door hardware. To do this measure the backset distance of your old lock. The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole. The metal rod on which knobs and levers are mounted.

2 3 8 inches and 2 3 4 inches. You can see the bore hole that is 2 1 8 in diameter. Standard backsets are either a 2 3 8 backset or 2 3 4 backset. The backset is the distance from the edge of the door to the center line of the prepared cross bore hole drilled to install most locks.

The backset of a door is the distance in inches from the edge of the door to the center of the bore hole. If you don t have any hardware on your door just measure from the edge of the door to the centre of the bore hole the large hole where the door knob assembly is mounted. Other door hardware terms.