Application:

The drill bit is a replacement pilot drill bit for Bi-metal hole saws.

Replacing the pilot drill bit:

1. Use an Allen key or in some cases a slot-head screwdriver to undo the grub screw securing the pilot drill bit in the mandrel.


2. Replace the pilot drill bit by aligning the flat side on the shank with the grub screw.


3. Tighten the grub screw. Make sure the pilot drill bit is secured.


4. In some cases it would be necessary to remove the hole saw from the mandrel to replace the pilot drill bit.