Bosch® AutoStart™ Pilot Bit for Diamond Hole Saws

  • SKU hdgpb6

Heavy-duty hex shank. Easily snaps into mandrel. Construction hardened steel with retractable center pin and carbide tip.

  • Shank size 1/4" hex
  • For diamond hole saws 3/4"-4-1/8"
  • For use with mandrels PCM38, PCM12, PCMDSPL
  • For use with Bosch diamond hole saws 3/4" or larger