Hoe To Enlarge A Lock Hole In A Wood Door

A tapered reamer can help you easily enlarge a hole in wood metal or plastic.

Hoe to enlarge a lock hole in a wood door. You want to drill part way into one side of the door stop and then start to drill from the other side. This ensures you don t splinter the wood on the face of the door as you blast through drilling from just one side. Place a second plywood block behind the door and clamp the parts together as illustrated. You simply insert and twist and it will cleanly and easily remove material.

Gently tap the chisel into the outline until the marks are about 1 8 inch deep. Clamp your sheet of plywood to the face of the door so that the circles you drew line up exactly with the hole in the door. Clamp a second sheet of plywood to the opposite side of the door. Make a series of closely spaced cuts into the mortise area.

Starting at the top of the faceplate outline make a series of closely spaced chisel cuts about 1 8 inch deep inside the marks. With the large hole cut it s now time to drill the small 1 inch hole in the edge of the door. Use the chisel to deepen the outline marks. Use a hole saw to drill through the plywood and halfway through the door.

Lay the block on the door and align the two sets of center marks. Designed to help de burr metal this is conical tool with several cutting edges and can be had anywhere for well under 10. Clamp a piece of plywood to each side of the door lining up the center lines with the center line on the door edge.