SD10 Button Bit For SD10 Hammer For Water Well Drilling
Matched hammer diameter(inch) | Bit diameter | Air Holes | Gauge | Front | Weight/KG | Bit shank | |
mm | inch | (Qty.×Dia.) | (Qty.×Dia.) | ||||
10” | 254 | 10 | 2 | 12*18 | 12*18+9*16 | 90 | TH10/SD10/NUMA100 |
280 | 11 | 2 | 12*18 | 12*18+11*16 | 100 | ||
305 | 12 | 2 | 14*18 | 14*18+11*16 | 120 | ||
310 | 12 1/4 | 2 | 14*18 | 14*18+13*16 | 125 |
Bit Face Shape Selection:
1. Flat Face
2. Convex Face
3. Concave Face