Place the template that comes with the lockset on the metal door.
Make lock hole bigger in metal door.
How to cut a hole for a door knob in a metal door.
Draw a center line on the plywood and mark setback of the hole from one edge of the plywood.
Clamp a piece of.
Then mark centerlines on the plywood block.
The plywood will hold the pilot bit on track until the saw starts cutting.
Take your time so you keep the.
Cut two pieces of scrap plywood several inches larger than the diameter of the hole.
Mark with an x the center spot for the doorknob hole on each side of the door.
When enlarging a lockset hole mark the centerlines of the old hole on the door.
Mark the center of the existing hole on the edge of the door.
To overcome this problem fasten a piece of 1 2 inch plywood over the existing hole.