How To Drill A Door For A Mortise Lock

Use the chisel to deepen the outline marks.

How to drill a door for a mortise lock.

This lock can certainly be picked but what if you don t know how or you don t have anything on hand that can serve as a good lock pick. Mark the area around the strike plate that you want to install flush with the wood. Remove the keep and drill a 16mm hole about 10mm deep. Square up the sides of the mortise with a chisel if necessary.

Push the keep on and mark a pencil line all the way round the hole inside for the latch. Make a series of closely spaced cuts into the mortise area. This ensures you don t splinter the wood on the face of the door as you blast through drilling from just one side. With the large hole cut it s now time to drill the small 1 inch hole in the edge of the door.

Hold the strike plate over the mortise and score its outline with a utility knife. Carefully remove the timber inside the lines using the same technique as for the door latch. Trace the outline of the area. Transfer the positions of the top and bottom of the mortise lock body to the edge of the door.

The brace is a u shaped steel hand tool that has a wood cap on one end and a bit chuck on the other. To install a mortise lock into a wood or composite door requires a pocket drilled into the edge of the door with the centerline of the door prep at 39 3 16 above the finished floor. It will show you how you can drill out the stump of a mortice lock allowing you to get past the lock entirely. That s what this video is here for.

Use a bevel edge chisel and hammer to square the corners of the mortise if the faceplate has square corners. How to cut a mortise for a deadbolt lock. Use a 7 8 inch spade bit to drill two partially overlapping 5 8 inch deep holes centered above and below the midpoint inset. Step 11 install the strike plate photo by david carmack.

It is not a difficult procedure and all you really need is a power drill with the appropriate bits and maybe. Use the 10mm chisel to square the hole up cutting at the top and bottom first. In the early days the pocket was cut out using a brace and bit. Create the mortise using a router attachment remove the wood between the pencil lines drawn on the door edge to create a mortise for the faceplate.

Drill the holes for the spindle and keyhole make the spindle hole at least as big as the spindle boss of the lock for the keyhole drill the top hole and cut out the shape using a thin pad saw.