Standard Size Hole For Door Lock

When changing locks this kind of door uses a combination of a deadbolt and a knob.

Standard size hole for door lock.

In most cases the door set which is inside of the door and controls the door latch. Standard door lock hole size. The hole in the doorjamb should measure at least 7 8 in diameter and a minimum of a 1 deep. The standard backset is 2 3 8 or 2 3 4.

The hole diameters are 2 and 1 8 inch and 1 inch respectively. The center of this hole should be located 2 3 8 inches or 2 3 4 inches back from the edge of the door. Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole. If you ve decided to change your locks over rekeying you ll want to consider the hole size.

This cross bore is where the latch is installed. The latch goes through into the large bore hole and then the door knob is mounted the backset is the distance from the edge of the door to the center of the large bore hole. The last thing you want to use is a jigsaw. The standard bore is 2 1 8.

It therefore uses two pairs of cross bores and bore holes placed in the same vertical line and 5 5 inches from one center to the other. First doors can usually be re drilled. Many older doors had bores that were been smaller. A bore hole is where the door job is mounted.

Most deadbolt assemblies are a standard size but you ll need to read the instructions or measure the assembly to choose the correct hole saw bit. Bore a 2 1 8 inch hole through the door. There could be bore hole sizes that can be smaller or bigger. Here s a step by step guide to installing a new deadbolt lock.

To see these measurements in action be sure to view our deadbolt b60 b62 door prep video. The standard sized bore hole is 2 1 8 in diameter. The latch will fit into the 1 inch hole. The sizes vary depending on various factors and could be anything from 2 1 8 inches in diameter and more.

Ready to get started with the intallation. This is the backset dimension bore a 1 inch hole in the edge of the door located on the centerline of the 2 1 8 inch hole. You need two different hole saws to create the perfectly round holes in the face of the door and the smaller hole in the edge of the door. Most doors are 2 3 8 backset but some mostly exterior doors have a 2 3 4 backset.

Most interior doors are prepped with a single boor hole. If one wants to replace their locks on doors that have smaller diameter holes there are 2 options. 1 measure from the center of the door knob hole to the edge of the doorway to find the size of the door set. Most of the current locks require the standard 2 1 8 bore.

Lock bore the diameter of the hole for the lock body. The cross bore diameter is 1 inch while the bore hole diameter is 2 1 8 inches.