Cross Bore Hole In Door

If your doors are different than this please contact us for help.
Cross bore hole in door. 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. Double bore 2 3 8 in. The latch bore is the small hole on the edge of the door for the latch itself. 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.
Using ryobi wood metal door lock installation kit. Generally the largest diameter for the bore hole is 2 1 8 inches. Preparing to install a privacy door handle. The latch will fit into the 1 inch hole.
It will also adjust to fit doors from 1 3 8 in. The center of this hole should be located 2 3 8 inches or 2 3 4 inches back from the edge of the door. Backset 24 model u 9537 32 78. Once you get the sides of the hole filed out enough test fit the outside half of the lockset.
The diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets. The standard measurement for a bore hole is 2 1 8 inch in diameter and the standard measurement of a cross bore is 1. Prime line security screen or storm door lever set lock cylinder diecast black 36 model k 5092 77 63. Doorknobs that fit smaller than standard bore holes.
Backset the measurement from the bore hole to the edge of the door. 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. It is in the bore hole where the latch fits in. You may need to drill the cross bore hole for the latch deeper.
Bore a 2 1 8 inch hole through the door. Door hardware made to fit the small bore hole 1 5 8 inch to 1 1 2 inch. If it seems to fit into the bore ok go ahead and install the latch into the edge of the door. Prime line lock and door reinforcer 5 1 2 in 2 3 8 in.
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. Thick solid brass lock and door reinforcer 2 1 8 in. X 1 3 4 in classic bronze 11. The latches were designed for use with doors that have a 2 1 8 dia.
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. Door hardware made to fit the small bore hole 1 5 8 inch to 1 1 2 inch. The hole has a larger diameter because it is the one that houses the doorknob. Bore hole and cross bore standard door prep is 2 1 8 bore hole with 1 cross bore.