China Mission 60 DTH Hammer Button Bits for Hard Rock Drilling, Find details about China Button Bits, DTH Bits from Mission 60 DTH Hammer Button Bits for Hard Rock Drilling
Mission Shank Drill Bits - Mission 60 | |||||||
Head Shape | Head Diameter | Shank Length (mm) | Spline | Port Holes | Button Qty.pcs X Dia. mm | ||
Button Type (Optional) | Gauge Buttons | Front Buttons | |||||
Concave Face | 154mm | 231 | 12 | 2 | Spherical | 8pcs X 18mm | 4pcs X 16mm + 4pcs X15mm |
Flat Face | 165mm | 231 | 12 | 2 | Spherical | 8pcs X 18mm | 8pcs X 16mm |
Concave Face | 171mm | 231 | 12 | 2 | Spherical | 8pcs X 18mm | 6pcs X 16mm + 4pcs X 15mm |
Concave Face | 178mm | 231 | 12 | 2 | Spherical | 8pcs X 18mm | 6pcs X 16mm + 5pcs X 15mm |
Concave Face | 190mm | 231 | 12 | 3 | Spherical | 9pcs X 18mm | 6pcs X 16mm + 5pcs X 15mm |
Concave Face | 203mm | 231 | 12 | 2 | Spherical | 10pcs X 18mm | 8pcs X 16mm + 6pcs X 15mm |