- The drill bit is cast in 45# carbon steel and is hard and durable.
- Optional 150mm-300mm extension rod connection.
- Self-tapping screws centered, four blade accelerated cutting.
- Four slots for chip removal for improved efficiency.
Package Weight : 80 G / 2.82 Ounces
Package Dimensions (L*W*H) : 180*25*25 MM / 7.09*0.98*0.98 Inches