If you re in a situation where you cannot or do not want to use a drill to install your lock there are a couple ways of installing an interior door lock without a drill.
How to drill a deadbolt door lock.
Drilling a lock will destroy the locking plug but should leave the mechanism in working order.
If your new deadbolt has a concealed screw for the interior door knob consult the installation instructions for your specific lock.
This video was taken as part of a comprehensive comparison of the best residential locks in the us.
In this video i m showing how to drill a brand new kwikse.
If you lose the key and can not pick the deadbolt than you can drill the deadbolt to break the tumbler pins and turn the lock using an object.
Drill pilot holes and secure the striker plate with screws.
Use a 7 8 spade bit to drill two overlapping holes in the doorframe for the deadbolt.
Smear a little lipstick on the end of the deadbolt close the door and turn the lock.
Use a 2 1 8 inch hole saw to drill the hole for the deadbolt lock assembly.
Drilling a deadbolt lock should be your last option because it will destroy the lock.
Mortise the area around the hole so the strike plate will fit flush with the doorframe.
Lock drilling is a last resort approach to gaining entry to locks that cannot be opened by other means.
If you must do it you can learn to examine the lock and approach the task properly with the right equipment for the job.
Close the door and turn the deadbolt several times to mark the doorframe.