The standard sized bore hole is 2 1 8 in diameter.
Size of door handle hole.
It features two bi metal hole saws and a height alignment window for accuracy.
Actually while there are deadbolts available that are made specifically for the smaller bore today s knob and lever sets are for the most part made to fit the standard 2 1 8 door preparation.
There are a few exceptions and we ll discuss those here in a bit but there are no.
Cabinet hardware jig template for handles and knobs on door and drawer punch locator drill guide wood drilling doweling aluminum metal hole jig kit with storage bag 4 0 out of 5 stars 2 17 59 17.
The latch will fit into the 1 inch hole.
In most cases the door set which is inside of the door and controls the door latch.
Bore a 2 1 8 inch hole through the door.
Most interior doors are prepped with a single boor hole.
A common request we get around our shop is for door knobs or levers made for the small 1 1 2 or 1 5 8 bore hole.
It works for 2 3 8 in.
Without this pilot bit the hole saw would wander across the face of the door as you start to drill the giant hole.
Tape the template to the door and mark the centers of the lockset and barrel hole by making an indentation with the tip of a spade bit.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
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.
Hole saws come with a centered pilot bit that allows you to center the hole saw.
Choose the mark that corresponds to the door width.
The larger 2 and 1 8 inch hole is drilled first.
The bore hole is the large diameter hole where the door knob is mounted.
Use a jig or template to get it straight.
Note that the template offers two possibilities for the barrel hole one for a 1 3 8 inch door and one for a 1 3 4 inch door.
This cross bore is where the latch is installed.
To know where to drill this hole from the edge of the door you need to know the backset of the lockset.
The placement of the cross bore hole is important for the doorknob to operate properly.
Backsets and 1 3 8 in.
After drilling the 2 1 8 inch bore hole center the 1 inch cross bore hole to penetrate through the edge of the door perpendicular into the larger hole.
The center of this hole should be located 2 3 8 inches or 2 3 4 inches back from the edge of the door.