Drill bit diameter: Ø6.35mm
Drill bit: HSS (High-speed steel)

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 (TC17016) 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.

Mandrel replacement pilot drill bits:

• Ø6.35 x 115mm (extra long) for bi-metal hole saws –
  
  TC00001
• ø6.35 x 70mm for bi-metal hole saws –
  
  TC00002
• Tungsten Carbide Tipped (TCT) series hole saws –
  
  TC00003
• Carbide grit hole saws –
  
  TC00004
• Diamond coated hole saws –
  
  TC00006