Lay the block on the door and align the two sets of center marks.
How to make door lock hole bigger.
Clamp the scraps of plywood above and below the hole.
Jam a wood plug into the existing hole haha show how to drill a hole.
All you need is an idea how to drill a hole in the door for new hardware on a old door.
Because there s a new larger standard size for doorknobs.
Why won t that new doorknob fit in your old door.
Mark the center of the existing hole on the edge of the door.
Cut two pieces of scrap plywood several inches larger than the diameter of the hole.
Then mark centerlines on the plywood block.
Mark the centerline of the existing hole on the edge of the door.
When enlarging a lockset hole mark the centerlines of the old hole on the door.
To enlarge an existing hole.
Cut two scraps of 1 2 or thicker plywood making them several inches larger than the hole.