To know where to drill this hole from the edge of the door you need to know the backset of the lockset.
Interior door handle hole size.
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.
Choose the mark that corresponds to the door width.
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.
Lock spacing the distance between two locks.
Most interior locksets have a 2 and 3 8 inch backset.
The two most common are 5 1 2 and 6 from the centers of the two holes.
Cross or edge bore.
Fit into the door prep shown above.
It works for 2 3 8 in.
You ll be using a 2 1 8 inch hole saw to drill the hole for the typical interior or exterior doorknob.
Most interior doors are prepped with a single boor hole.
Exterior locksets commonly have a 2 and 3 4 inch backset.
This cross bore is where the latch is installed.
The hole saw has a pilot bit that centers on the mark.
Exterior doors are typically 1 3 4 inches thick while interior doors measure 1 3 8 inches thick.
The bore hole is the large diameter hole where the door knob is mounted.
When replacing locks the latch backset needs to match the holes bored in the door.
It features two bi metal hole saws and a height alignment window for accuracy.
Through the edge of the door there is a 1 cross bore that extends from the edge of the door through the bore hole.
When boring deadbolt locks in a door there are two standards for spacing between the bottom lock and the deadbolt.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
The dewalt door lock installation kit helps you install door locks on wood and metal doors.
The standard sized bore hole is 2 1 8 in diameter.
The backset is the distance from the edge of the door to the center of the giant hole you drill in the face of the door.
Bore a 2 1 8 inch hole through the door.
Mark the line at 2 3 4 inches for an exterior door.
In most cases the door set which is inside of the door and controls the door latch.
Backsets and 1 3 8 in.
The small hole along the edge of the door frame usually measuring about 1 inch in diameter.
The latch will fit into the 1 inch hole.