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Rock drilling tools /button bits : Tapered button bits , thread button bits , down-the-hole button bits ,retract button bits .
Tapered Button bits |
Part No. | Diameter of bit(mm) | Distributing of carbide | Taper | Using | ||
Front | Guage | Angle | ||||
Q432-722 | 32 | 1×8 | 3×8 | 25° | 7° | Use for soft and middle hard rock, such as limestone marble, granite. Etc. |
Q434-722 | 34 | 1×8 | 3×8 | 25° | 7° | |
Q436-722 | 36 | 1×8 | 3×8 | 25° | 7° | |
Q438-722 | 38 | 1×8 | 3×9 | 25° | 7° | |
Q440-722 | 40 | 1×9 | 3×9 | 30° | 7° | |
Q442-722 | 42 | 1×9 | 3×9 | 30° | 7° | |
Q732-722 | 32 | 2×7 | 5×7 | 35° | 7° | Use for medium hard to hard rock. |
Q734-722 | 34 | 2×7 | 5×7 | 35° | 7° | |
