When you open the door the position of the bolt will be evident on the jamb.
How to drill a deadbolt door lock.
Drilling a lock will destroy the locking plug but should leave the mechanism in working order.
If you must do it you can learn to examine the lock and approach the task properly with the right equipment for the job.
Drill pilot holes and secure the striker plate with screws.
Smear a little lipstick on the end of the deadbolt close the door and turn the lock.
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.
In this video i m showing how to drill a brand new kwikse.
Inside every deadbolt lock are a number of tumbler pins that lock and unlock the bolt.
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.
Drilling a deadbolt lock should be your last option because it will destroy the lock.
Use a 2 1 8 inch hole saw to drill the hole for the deadbolt lock assembly.
If your new deadbolt has a concealed screw for the interior door knob consult the installation instructions for your specific lock.
Good to know to prevent splintering in a wood door drill halfway through one side and then flip the door and drill through the other side.
Lock drilling is a last resort approach to gaining entry to locks that cannot be opened by other means.
Close the door and turn the deadbolt several times to mark the doorframe.