How To Enlarge Hole In Door For Lock

The lock itself is a bit larger than the old lock so i need to enlarge the mortise in the door.

How to enlarge hole in door for lock.

How to enlarge the door knob hole in a wood door. Then mark centerlines on the plywood block. Cylinder hole but some of them have inserts to fit the smaller 1 1 2 in. This technique can be used to enlarge other holes as well including faucet holes on a kitchen countertop.

Lay the block on the door and align the two sets of center marks. This is a common problem when drilling a larger hole in a door for a new deadbolt or lockset. To enlarge an existing hole. When enlarging a lockset hole mark the centerlines of the old hole on the door.

Hi rasher i bought some new door hardware to retrofit into an existing mortise lock door. Watch this video to find out more. Cut two scraps of 1 2 or thicker plywood making them several inches larger than the hole. 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.

The backset distance is usually either 2 3 8 or 2 3 4 in so make sure the new deadbolt has the identical backset. Most new deadbolts require a 2 1 8 in. Hole so you don t have to drill to enlarge the hole photo 2 step 3.