MACH60-216mm Button Bit DTH Bit For MACH60 Hammer With For Well Drilling
Matched hammer diameter(inch) | Bit diameter | Air Holes | Gauge | Front | Weight/KG | Bit shank | |
mm | inch | (Qty.×Dia.) | (Qty.×Dia.) | ||||
6” | 165 | 6 1/2 | 2 | 8*18 | 8*16 | 24.5 | DHD360/SD6/QL60 /Mission60/MACH60 |
171 | 6 3/4 | 2 | 8*18 | 4*18+4*16 | 25 | ||
203 | 8 | 2 | 10*18 | 8*18+5*16 | 30 | ||
216 | 8 1/2 | 2 | 10*18 | 13*16 | 30.6 |
Bit Face Shape Selection: Flat face, Concave face, Convex face