Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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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
