Coal Drill Bit
Minimum Order: 0
Quality/Safety Certification: 0.00
It is mainly combined with spiral drill shank and works together with coal electric drill machine or portable drill machine.
It is mainly connected with spiral drill shank and works together with coal electric drill machine or portable drill machine.due to the technique of finish casting and superior alloy,it is mainly characterized by large torque,wide drilling range,easy connection and durable.
Specification |
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Bore Hole Diameter | Φ30,Φ42 | We can manufacture as customers’ requirement |
Coupling Dimention | connective dimention Φ8.5,Φ12.5 |