Description

60 / 64 / 70 / 76 / 80 / 89 / 102 / 127 / 150mm Reaming button bits for quarrying

Reaming button bits  were widely used in quarry or mining for blast hole drilling.

With Pilot adaptors, the drilling direction can be ensured and accurate.

Bit type:Dome bit / Reaming bits

Connection Angle:6 / 10 / 12 degree

Diameter of Pilot adaptors:26 / 28 / 35 / 40 mm etc

Diameter of reaming button bits:60 / 64 / 70 / 76 / 80 / 89 / 102 / 127 / 150

Thread type:R25 / R28 / R32 / R38

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