Cross Bore Door

If your doors are different than this please contact us for help.

Cross bore door.

Some door hardware comes with an adjustable backset some you have to specify what you need. The standard sized bore hole is 2 1 8 in diameter. Most interior doors are prepped with a single boor hole. Door hardware is more than a way to open close and secure a space.

The doors are solid pine and original to the 1964 house. Lowe s has a lockset template kit which includes a plastic template that straddles the door and a hole saw. 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. This cross bore is where the latch is installe.

Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole. This is often about 2 1 8 inches. The standard measurement for a bore hole is 2 1 8 inch in diameter and the standard measurement of a cross bore is 1. 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.

If you are only doing one door you can cut a plug same thickness as the door that you can glue into the existing hole flush with the surfaces. Really not difficult at all. The latch bore is the small hole on the edge of the door for the latch itself. The diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets.

Door thickness standard doors are 1 3 8 1 3 4 thick. Bore hole and cross bore standard door prep is 2 1 8 bore hole with 1 cross bore. Door thickness this usually ranges from 1 inches to 3 with exterior doors frequently being thicker than interior ones. So if yours is much smaller the cross bore will not be deep enough.

Backset the measurement from the bore hole to the edge of the door. Is this something i should consider tackling myself. There is no predetermined combination of knobs levers rosettes and finishes. The latches were designed for use with doors that have a 2 1 8 dia.

Once the latch is in place go ahead and install the knob and tighten the through bolts and youre done. It will also adjust to fit doors from 1 3 8 in. 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. It is an integral part of a room s design theme.

Standard door prep for door knobs levers. It seems it would be easier to cut the cross bores in a new door than to enlarge existing holes. Not all doorknob or lever sets are made for the 2 1 8 bore hole. Cross bore the hold along the edge of the door frame.

Then mark the center of the old hole or the new backsets latch measurement usually 1 3 8 or 1 3 4 but most are adjustable for either from the edge of the door.