Tungsten carbideOur products tungsten carbide have approved ISO9001:2000 Quality System and inspection of National Rock Drilling ToolsInspection Center. All the pro
button bitsThread button bits Waveform Connection: R25 R32 R38 Trapezoid connection: T38 T45 T51 Diameter 64mm--127m
cross bitsFeatures: 1)Tapered connction:7°11° 2)Thread connection:R22 R25 R28 R32 R38 T38 T45 T51 3)Diameter:25mm-127m
rock drilling toolsThread button bits Waveform Connection: R25 R32 R38 Trapezoid connection: T38 T45 T51 Diameter 64mm--127m
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