Viper Pilot Guide Dry Drill Bit, 6.5mm x 1/4"
This Viper Pilot Guide Dry Drill Bit, 6.5mm x 1/4" goes into the middle of the Viper Vacuum Brazed Core Bits to help with cutting in the beginning of the drilling/coring process.
Brand Viper
Weight 0.000000
MFR Item # PGD-58-12
Viper Pilot Guide Dry Drill Bit, 5/8-11" Thread, 1/2" Shaft Adapter
This guide bit goes into the middle of the Viper Vacuum Brazed Core Bits to help with cutting in the beginning of the drilling/coring process. It also protects the core bit from getting the stone stuck.
Brand Viper
Weight 0.000000
MFR Item # PGD-58-12