Specifications
Coal Mining Bits-Seven Button Drill Bit1)Produce different size bits.
2)4,5,7button also can supply.
3)Compact struct
Coal Mining Bits-Seven Button Drill Bit
Specification
| Bit Diameter | Buttons(mm) | Taper | Water Hole | Part No. | |||
| mm | in | Guage | Front | Angle | |||
| 32 | 1 17/64" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-347 |
| 34 | 1 11/32" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-348 |
| 36 | 1 27/64" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-349 |
| 38 | 1 1/2" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-350 |
| 40 | 1 37/64" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-351 |
| 42 | 1 47/64" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-352 |
| 45 | 1 49/64" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-353 |
| 48 | 1 57/64" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-354 |
| 51 | 2" | 5*10 | 2*8 | 35° | 7°/11°/12° | 3 | DSL-355 |
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