Switch to either a larger 3 4 inch 19 mm drill bit or a specially made cylindrical tubular lock bit.
How to drill a door lock hole.
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.
Drill through the entire mechanism.
These methods can be used for the majority of locks you come across around your house.
To know where to drill this hole from the edge of the door you need to know the backset of the lockset.
1 tape the lock template to the door positioned so that it is square or.
Drilling a door lock opening in a wooden door requires a hole saw and a spade bit both of which are used with a drill.
Exterior locksets commonly have a 2 and 3 4 inch backset.
Tubular lock bits are generally 3 75 inches 9 53 cm and similar to hole saws used to drill larger holes for installing locks in doors.
Most interior locksets have a 2 and 3 8 inch backset.