How To Enlarge Hole In Door For Lock

This is a common problem when drilling a larger hole in a door for a new deadbolt or lockset.

How to enlarge hole in door for lock.

Hole so you don t have to drill to enlarge the hole photo 2 step 3. Hi rasher i bought some new door hardware to retrofit into an existing mortise lock door. This technique can be used to enlarge other holes as well including faucet holes on a kitchen countertop. To enlarge an existing hole.

Cut two scraps of 1 2 or thicker plywood making them several inches larger than the hole. Most new deadbolts require a 2 1 8 in. Cylinder hole but some of them have inserts to fit the smaller 1 1 2 in. The lock itself is a bit larger than the old lock so i need to enlarge the mortise in the door.

The plywood will hold the pilot bit on track until the saw starts cutting. 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. Watch this video to find out more.

Then bore into the plywood and through the hole behind it. Your front door is the first thing visitors see so choosing the right door is critical to making a great first impression. Lay the block on the door and align the two sets of center marks.