How To Widen A Door Lock Hole

To solve this problem.

How to widen a door lock hole.

Starting at the top of the faceplate outline make a series of closely spaced chisel cuts about 1 8 inch deep inside the marks. Then mark centerlines on the plywood block. Why won t that new doorknob fit in your old door. You want to use a drill bit approximately 0 016 smaller than your reamer to ensure that you don t oversize the hole.

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. Cut through the base of the cuts to empty the mortise of excess wood. Tap the chisel at sharp angle to cut through the base of the chisel cuts. Step 3 position the strike plate on the jamb so it is centered on both lines.

To overcome this problem fasten a piece of 1 2 inch plywood over the existing hole. Home improvement expert danny lipford shows you how to enlarge an existing hole in a door or. Enlarge an existing hole in the door the center bit on your hole saw must be engaged in wood before you can start a hole. Because a reamer is an enlarging tool and not a cutting tool you must drill out the hole with a standard drill bit before reaming it.

Cut two pieces of scrap plywood several inches larger than the diameter of the hole. Because there s a new larger standard size for doorknobs. Draw a center line on the plywood and mark setback of the hole from one edge of the plywood. Mark the center of the existing hole on the edge of the door.

Instead of paying big bucks for a new door wi. Clamp a piece of plywood to each. The plywood will hold the pilot bit on track until the saw starts cutting. At the line intersection use a spade bit to drill a hole for the bolt as directed by the lock manufacturer.

Otherwise the saw will just spin and gnaw its way across the door how to.