The last thing you want to use is a jigsaw.
Hoe to enlarge a lock hole in a wood door.
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.
This technique can be used to enlarge other holes as well including faucet holes on a kitchen countertop.
You need two different hole saws to create the perfectly round holes in the face of the door and the smaller hole in the edge of the door.
When you re drilling a new hole the pilot bit guides the saw into the wood and keeps it cutting on course.
How to enlarge the door knob hole in a wood door.
The hole diameters are 2 and 1 8 inch and 1 inch respectively.
But when you re enlarging a hole there is no wood for the pilot bit to bore into.
Your front door is the first thing visitors see so choosing the right door is critical to making a great first impression.