The diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets.
Cross bore hole in door.
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.
Bore hole and cross bore standard door prep is 2 1 8 bore hole with 1 cross bore.
Doorknobs that fit smaller than standard bore holes.
The latch bore is the small hole on the edge of the door for the latch itself.
Preparing to install a privacy door handle.
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.
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.
It is in the bore hole where the latch fits in.
Thick solid brass lock and door reinforcer 2 1 8 in.
The latch will fit into the 1 inch hole.
The latches were designed for use with doors that have a 2 1 8 dia.
Door hardware made to fit the small bore hole 1 5 8 inch to 1 1 2 inch.
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.
X 1 3 4 in classic bronze 11.
Door hardware made to fit the small bore hole 1 5 8 inch to 1 1 2 inch.
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.
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 will also adjust to fit doors from 1 3 8 in.
If your doors are different than this please contact us for help.
Backset 24 model u 9537 32 78.
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.
The hole has a larger diameter because it is the one that houses the doorknob.
Prime line lock and door reinforcer 5 1 2 in 2 3 8 in.
Door thickness standard doors are 1 3 8 1 3 4 thick.
Some door hardware comes with an adjustable backset some you have to specify what you need.
The center of this hole should be located 2 3 8 inches or 2 3 4 inches back from the edge of the door.
Bore a 2 1 8 inch hole through the door.
Double bore 2 3 8 in.
If it seems to fit into the bore ok go ahead and install the latch into the edge of the door.
You may need to drill the cross bore hole for the latch deeper.
