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.
Door handle hole diameter.
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.
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.
Choose the mark that corresponds to the door width.
It works for 2 3 8 in.
You need two different hole saws to create the perfectly round holes in the face of the door and the smaller hole in the edge of the door.
It features two bi metal hole saws and a height alignment window for accuracy.
The latch will fit into the 1 inch hole.
The hole diameters are 2 and 1 8 inch and 1 inch respectively.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
If one wants to replace their locks on doors that have smaller diameter holes there are 2 options.
Many older doors had bores that were been smaller.
Backsets and 1 3 8 in.
The dewalt door lock installation kit helps you install door locks on wood and metal doors.
Fit into the door prep shown above.
Lock bore the diameter of the hole for the lock body.
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.
Bore a 2 1 8 inch hole through the door.
There are a few exceptions and we ll discuss those here in a bit but there are no.
Most of the current locks require the standard 2 1 8 bore.
The last thing you want to use is a jigsaw.
The standard bore is 2 1 8.