Then bore into the plywood and through the hole behind it.
Make lock hole bigger in metal door.
Mark with an x the center spot for the doorknob hole on each side of the 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.
Take your time so you keep the.
When enlarging a lockset hole mark the centerlines of the old hole on the door.
To overcome this problem fasten a piece of 1 2 inch plywood over the existing hole.
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The plywood will hold the pilot bit on track until the saw starts cutting.
Drill a pilot hole with a inch bit straight through the door.
Then mark centerlines on the plywood block.
Clamp a piece of.