how to set depth of bit for keyhole routing?

Keyhole Router Bit Jig: One of the easiest ways to hang frames flat against the wall is using keyhole slots They are easy to make with a keyhole router bit

This bit routs a groove with an overall diameter of 2564” and a minor diameter of 316”

keyhole slot Keyhole Router Bit 52K views · 13 years agomore sdgood How to Use Keyhole and

keyhole slot bit MLCS Key Hole Router Bits create a keyhole slot that allows a picture or other object to be hung securely on a wall using a screw or nail