How To Re Drill Door Lock Hole

The standard hole saw diameter for a lock is 2 1 8 inches but check the lock manufacturer s instructions as sizes can vary.

How to re drill door lock hole.

When you re drilling a new hole the pilot bit guides the saw into the wood and keeps it cutting on course. Don t despair i. 1 tape the lock template to the door positioned so that it is square or. The lock cylinder leaves a hole over 2 inches in diameter completely through the door and there s an additional hole through the door edge where the bolt used to reside.

But when you re enlarging a hole there is no wood for the pilot bit to bore into. Without this pilot bit the hole saw would wander across the face of the door as you start to drill the giant hole. A hole saw is completely ineffective when used to enlarge an existing hole. Watch this video to find out more.

Next replace the drill bit with a 1 4 inch bit and repeat the process. Hole saws come with a centered pilot bit that allows you to center the hole saw. As a result the hole saw wobbles recklessly all over the place. Do you have an older deadbolt or doorknob that needs to be replaced only to find out the existing hole is too small for that new deadbolt.

This technique can be used to enlarge other holes as well including faucet holes on a kitchen countertop. 6 line up the hole saw s pilot drill with the guide you made in step 4. Then using an 1 8 inch drill bit slowly drill through the point you made with the center punch. To learn how to tell what kind of lock you re working with read on.

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. Turn the door over remove the plywood disk from the hole saw and use the hole saw to drill through the other side of the door until the two holes meet.