Blast Hole Bits
Available sizes:
- 5-1/8″
- 5-7/8″
- 6-1/4″
- 6-3/4″
- 7-7/8″
- 9″
- 9-7/8″
- 10-5/8″
- 12-1/4″
Extended wear protection with carbide inserts along the leading edge of shirttail as well as tungsten carbide hard facing. Advanced bearing design including special stress relief processes On critical bearing surfaces. Combination of various shapes of carbide inserts for enhanced penetration rates.