Simple Solutions

How to Enlarge the Lockset Hole in a Door

By: Joe Truini

Enlarging the lockset hole in a door can be difficult, since there’s nothing to guide the pilot bit. To solve this problem:

  1. Cut two pieces of scrap plywood several inches larger than the diameter of the hole.
  2. Draw a center line on the plywood, and mark setback of the hole from one edge of the plywood.
  3. Mark the center of the existing hole on the edge of the door.
  4. Clamp a piece of plywood to each side of the door, lining up the center lines with the center line on the door edge.
  5. Use a hole saw to drill through the plywood and halfway through the door.
  6. Turn the door over, remove the plywood disk from the hole saw, and use the hole saw to drill through the other side of the door until the two holes meet.

This technique can be used to enlarge other holes as well, including faucet holes on a kitchen countertop. Watch this video to find out more.

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2 Comments on “How to Enlarge the Lockset Hole in a Door”

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  • Official Comment:


    Thomas Boni Says:
    July 8th, 2018 at 3:44 pm

    Hi, Richard,
    Try placing a thin piece of plywood over the existing hole and use it to guide the 3-inch hole saw.
    Good luck!



  • richard klotz Says:
    June 18th, 2018 at 9:01 pm

    changing vent pipe from 2in to 3in how do I enlarge hole to 3in can see
    hole in basement ceiling and hole in bathroom ceiling should I try to cut with saw all or hand saw ? on roof I can use saber saw any idea


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How to Enlarge the Lockset Hole in a Door