Chiseling a recess called a mortise for a door lock plate is one of those jobs that s very simple in theory but also very easy to mess up.
Hole in door frame for lock.
Set the depth of cut on the router attachment to match the thickness of the faceplate.
The lock cylinder leaves a hole over 2 inches in diameter completely through the door and there s an additional hole through the door edge where the bolt used to reside.
Mortise the area around the hole so the strike plate will fit flush with the doorframe.
New wooden doors typically already have holes drilled to accept doorknobs but they may not be ready for deadbolt lock installations.
The distance between the edge of the door and the center of the lock hole.
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.
Usually the backset measures 2 3 8 inches or 2 3 4 inches.
Close the door and turn the deadbolt several times to mark the doorframe.
Cross or edge bore.
Poor alignment can occur because your house has settled or shifted over time the door frame is old or warped or the door is sagging on its hinges.
Use a 7 8 spade bit to drill two overlapping holes in the doorframe for the deadbolt.
But i don t know of any corresponding term for the hole in the door frame.
The hole on the other side that is the hole in the door that the bolt slides through is called the edge bore.
Slide the door latch into the latch hole and trace the outline of the faceplate onto the edge of the door with a pencil.
Remove the door latch.
Use this checklist and our suggestions to get your new lock and door working in perfect harmony.
Align the edge of the strike plate s hole just to the door side of the mark and proceed with scoring around the strike plate.
Luckily fixing the alignment of your door doesn t have to be a chore.
Drilling holes for locks in a new wood exterior door.
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.
The small hole along the edge of the door frame usually measuring about 1 inch in diameter.