- 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 : 67 G / 2.36 Ounces
Package Dimensions (L*W*H) : 165*22*22 MM / 6.50*0.87*0.87 Inches