Not all doorknob or lever sets are made for the 2 1 8 bore hole.
Cross bore door.
This cross bore is where the latch is installe.
The latches were designed for use with doors that have a 2 1 8 dia.
Cross bore the hold along the edge of the door frame.
Is this something i should consider tackling myself.
Bore hole and cross bore standard door prep is 2 1 8 bore hole with 1 cross bore.
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.
Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole.
The standard sized bore hole is 2 1 8 in diameter.
Door hardware is more than a way to open close and secure a space.
It seems it would be easier to cut the cross bores in a new door than to enlarge existing holes.
The latch bore is the small hole on the edge of the door for the latch itself.
There is no predetermined combination of knobs levers rosettes and finishes.
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.
The standard measurement for a bore hole is 2 1 8 inch in diameter and the standard measurement of a cross bore is 1.
If your doors are different than this please contact us for help.
Most interior doors are prepped with a single boor hole.
So if yours is much smaller the cross bore will not be deep enough.
It will also adjust to fit doors from 1 3 8 in.
Standard door prep for door knobs levers.
Really not difficult at all.
Door thickness this usually ranges from 1 inches to 3 with exterior doors frequently being thicker than interior ones.
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.
They let you mix and match according to your own taste.
Passage hall closet.
It is an integral part of a room s design theme.
This is often about 2 1 8 inches.
Some door hardware comes with an adjustable backset some you have to specify what you need.
Lowe s has a lockset template kit which includes a plastic template that straddles the door and a hole saw.
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.
Backset the measurement from the bore hole to the edge of the door.
Once the latch is in place go ahead and install the knob and tighten the through bolts and youre done.
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 diameter of the latch bore is generally 1 to accommodate bolts from either mechanical or electronic locksets.
