Specifications
Drilling bits for rock drill1)high effciency
2)powerful to work
3)favorable price
4)ISO-9001&CE certificat
Drilling bits for rock drill
fact face /drop center/retrac button
Specification
| Flat Face and drop Centre and Retrac Button | ||||||||
| Bit Diameter:64mm,76mm,89mm,102mm(2 33/64",3",3 1/2",4") | ||||||||
| Thread: R32,R38,T38,T45,T51 |

four buttons bits
| Bit Diameter | Buttons(mm) | Taper | Water Hole | Part No. | |||
| mm | in | Guage | Front | Angle | |||
| 32 | 1 17/64" | 3*8 | 1*8 | 25° | 7° | 3 | DSL-340 |
| 34 | 1 11/32" | 3*8 | 1*8 | 25° | 7° | 3 | DSL-341 |
| 36 | 1 27/64" | 3*8 | 1*8 | 25° | 7° | 3 | DSL-342 |
| 38 | 1 1/2" | 3*8 | 1*8 | 25° | 7° | 3 | DSL-343 |
| 40 | 1 37/64" | 3*8 | 1*8 | 25° | 7° | 3 | DSL-344 |
| 42 | 1 47/64" | 3*8 | 1*8 | 25° | 7° | 3 | DSL-345 |
seven buttons bits
| 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 |
chisel bits
| Bit Diameter | Buttons | Taper | Water Hole | Part No. | |
| mm | in | mm | |||
| 30 | 1 3/16" | 10*15 | 7° | 2 | DSL-301 |
| 32 | 1 17/64" | 10*15 | 7° | 2 | DSL-302 |
| 34 | 1 11/32" | 10*15 | 7° | 2 | DSL-303 |
| 36 | 1 27/64" | 10*15 | 7° | 2 | DSL-304 |
| 38 | 1 1/2" | 10*15 | 7° | 2 | DSL-305 |
| 40 | 1 37/64" | 10*15 | 7° | 2 | DSL-306 |
| 42 | 1 47/64" | 10*17 | 7° | 2 | DSL-307 |
cross bits
| Bit Diameter | Buttons | Taper | Water Hole | Part No. | |
| mm | in | mm | |||
| 32 | 1 17/64" | 8*12 | 7° | 3 | DSL-328 |
| 34 | 1 11/32" | 8*12 | 7° | 3 | DSL-329 |
| 36 | 1 27/64" | 8*12 | 7° | 3 | DSL-330 |
| 38 | 1 1/2" | 8*12 | 7° | 3 | DSL-331 |
| 40 | 1 37/64" | 8*12 | 7° | 3 | DSL-332 |
| 42 | 1 47/64" | 8*12 | 7° | 3 | DSL-333 |
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