Cross Bore Hole In Door

The latch will fit into the 1 inch hole.

Cross bore hole in door.

Double bore 2 3 8 in. The diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets. Some door hardware comes with an adjustable backset some you have to specify what you need. The standard measurement for a bore hole is 2 1 8 inch in diameter and the standard measurement of a cross bore is 1.

The latch bore also known as the edge bore is the hole drilled from the side of the door into the cross bore to allow the latch of the lock to be installed and to accommodate the sliding of the deadbolt. Door thickness standard doors are 1 3 8 1 3 4 thick. There is also a cross bore with 1 inch in diameter and stretches from the edge of the door and runs over the bore hole. The is cross bore adapter is compatible with defiant glass knob sets as it improves the strength of installation for the defiant glass knob sets.

Generally the largest diameter for the bore hole is 2 1 8 inches. Prime line security screen or storm door lever set lock cylinder diecast black 36 model k 5092 77 63. Backset the measurement from the bore hole to the edge of the door. Once you get the sides of the hole filed out enough test fit the outside half of the lockset.

Door hardware made to fit the small bore hole 1 5 8 inch to 1 1 2 inch. Backset 24 model u 9537 32 78. Door hardware made to fit the small bore hole 1 5 8 inch to 1 1 2 inch. Thick solid brass lock and door reinforcer 2 1 8 in.

The latches were designed for use with doors that have a 2 1 8 dia. Bore hole and cross bore standard door prep is 2 1 8 bore hole with 1 cross bore. If it seems to fit into the bore ok go ahead and install the latch into the edge of the door. If your doors are different than this please contact us for help.

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. It will also adjust to fit doors from 1 3 8 in. Door hardware made to fit the small bore hole 1 5 8 inch to 1 1 2 inch. You may need to drill the cross bore hole for the latch deeper.

Preparing to install a privacy door handle. It is in the bore hole where the latch fits in. The latch bore is the small hole on the edge of the door for the latch itself. The hole has a larger diameter because it is the one that houses the doorknob.

A cross bore is the largest hole and passes through the door from one side to the other and it is where the actual door knob is inserted and mounted. The center of this hole should be located 2 3 8 inches or 2 3 4 inches back from the edge of the door. Prime line lock and door reinforcer 5 1 2 in 2 3 8 in. X 1 3 4 in classic bronze 11.