Mandrel Pilot Drill Bit Replacement.
- Replacing the pilot drill bit:
- 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.
- Replace the pilot drill bit by aligning the flat side on the shank with the grub screw.
- Tighten the grub screw. Make sure the pilot drill bit is secured.
- In some cases it would be necessary to remove the hole saw from the mandrel to replace the pilot drill bit.
- The drill bit is a replacement pilot drill bit for Diamond coated hole saws.
Replacement for a Mandrel. The drill bit is a replacement pilot drill bit for Diamond coated hole saws.
