How To Enlarge Hole In Door For Lock

To enlarge an existing hole.

How to enlarge hole in door for lock.

Then bore into the plywood and through the hole behind it. This is a common problem when drilling a larger hole in a door for a new deadbolt or lockset. The backset distance is usually either 2 3 8 or 2 3 4 in so make sure the new deadbolt has the identical backset. 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.

Lay the block on the door and align the two sets of center marks. Hi rasher i bought some new door hardware to retrofit into an existing mortise lock door. Your front door is the first thing visitors see so choosing the right door is critical to making a great first impression. Then mark centerlines on the plywood block.

Cut two scraps of 1 2 or thicker plywood making them several inches larger than the hole. The plywood will hold the pilot bit on track until the saw starts cutting. Cylinder hole but some of them have inserts to fit the smaller 1 1 2 in. How to enlarge the door knob hole in a wood door.

This technique can be used to enlarge other holes as well including faucet holes on a kitchen countertop. Watch this video to find out more. The lock itself is a bit larger than the old lock so i need to enlarge the mortise in the door.