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