Most interior doors are prepped with a single boor hole.
Size of door handle hole.
The bore hole is the large diameter hole where the door knob is mounted.
The latch will fit into the 1 inch hole.
The dewalt door lock installation kit helps you install door locks on wood and metal doors.
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.
It features two bi metal hole saws and a height alignment window for accuracy.
Hole saws come with a centered pilot bit that allows you to center the hole saw.
To know where to drill this hole from the edge of the door you need to know the backset of the lockset.
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 center of this hole should be located 2 3 8 inches or 2 3 4 inches back from the edge of the door.
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.
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.
Fit into the door prep shown above.
Without this pilot bit the hole saw would wander across the face of the door as you start to drill the giant hole.
The larger 2 and 1 8 inch hole is drilled first.
In most cases the door set which is inside of the door and controls the door latch.
This cross bore is where the latch is installed.
Use a jig or template to get it straight.
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.
The standard sized bore hole is 2 1 8 in diameter.
Backsets and 1 3 8 in.
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.
Choose the mark that corresponds to the door width.
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.
Bore a 2 1 8 inch hole through the door.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
The placement of the cross bore hole is important for the doorknob to operate properly.