How To Drill Holes For Door Locks

Take care to measure carefully as matching the size can be especially problematic in older homes.

How to drill holes for door locks.

For flat sided deadbolts you typically drill two overlapping 7 8 inch holes centered about 5 16 inch above and below the horizontal center line. This will destroy the entire lock. Drill pilot holes for the strike plate s two screws with a 3 32 inch bit then screw the plate in place. The centerline of the holes must be at the same height and they must be drilled at the precise 90 degree angle to the face of the material being drilled.

Replace the barrel and drill pilot holes for the screws with a 1 8 inch drill bit. This room happened to have a key ed lock on it that. At the line intersection use a spade bit to drill a hole for the bolt as directed by the lock manufacturer. Backsets and 1 3 8 in.

Tubular lock bits are generally 3 75 inches 9 53 cm and similar to hole saws used to drill larger holes for installing locks in doors. The dewalt door lock installation kit helps you install door locks on wood and metal doors. If the mortise is too deep cut a cardboard shim to bring the face of the plate flush with the edge of the door. It features two bi metal hole saws and a height alignment window for accuracy.

Secure the barrel to the door with the screws that came with the deadbolt kit using a phillips screwdriver. Drill through the entire mechanism. Before you learn how to change door locks measure the space where you ll install the replacement. I recently bought a house my wife thought it would be a good idea to shut the door to one of the rooms.

Use to install door locks on wood and metal doors. Measure the diameter of the holes currently cut out of your door so you can select a new door lock that fits those dimensions. New wooden doors typically already have holes drilled to accept doorknobs but they may not be ready for deadbolt lock installations. If you want your door lockset to operate smoothly and not bind up when you turn the doorknob or try to lock it it s imperative the two holes you drill align perfectly in both directions.

It works for 2 3 8 in.