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.
How to drill a door lock hole.
In this video i will try 4 different way to drill open a lock.
Switch to either a larger 3 4 inch 19 mm drill bit or a specially made cylindrical tubular lock bit.
1 tape the lock template to the door positioned so that it is square or.
Exterior locksets commonly have a 2 and 3 4 inch backset.
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.
Step by step how to drill hole for new door knob https youtu be mdxyocu8wou.
This will destroy the entire lock.
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.