Hole saws come with a centered pilot bit that allows you to center the hole saw.
How to drill bigger hole front door lock.
Show how to drill a hole in a wood door for a lock or door handle.
Why won t that new doorknob fit in your old door.
Clamp a piece of plywood to each side of the door lining up the center lines with the center line on the door edge.
Ensure even contact at the start.
Drill through the entire mechanism.
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.
You can find more information about.
Without this pilot bit the hole saw would wander across the face of the door as you start to drill the giant hole.
Use a hole saw to drill through the plywood and halfway through the door.
Because there s a new larger standard size for doorknobs.
The larger 2 and 1 8 inch hole is drilled first.
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.
Instead of paying big bucks for a new door wi.
These methods can be used for the majority of locks you come across around your house.
In this video i will try 4 different way to drill open a lock.
Hole saw are readily.
This will destroy the entire lock.
Mark the center of the existing hole on the edge of the door.
Switch to either a larger 3 4 inch 19 mm drill bit or a specially made cylindrical tubular lock bit.
Drill in from both sides.