Size Of Door Handle Hole
To know where to drill this hole from the edge of the door you need to know the backset of the lockset.
Size of door handle hole. 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 larger 2 and 1 8 inch hole is drilled first. Use a jig or template to get it straight. 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.
The standard sized bore hole is 2 1 8 in diameter. The placement of the cross bore hole is important for the doorknob to operate properly. It works for 2 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.
It features two bi metal hole saws and a height alignment window for accuracy. Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set. 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. Most interior doors are prepped with a single boor hole.
In most cases the door set which is inside of the door and controls the door latch. There are a few exceptions and we ll discuss those here in a bit but there are no. Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole. Backsets and 1 3 8 in.
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. 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. This cross bore is where the latch is installed.
Bore a 2 1 8 inch hole through the door. 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. 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. Without this pilot bit the hole saw would wander across the face of the door as you start to drill the giant hole.
Fit into the door prep shown above. The latch will fit into the 1 inch hole.