Coal Drill Bit
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Quality/Safety Certification: 0.00
Mainly connected with spiral drill shank and works together with coal electric drill machine or portable drill machine.
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.
PARAMETER | |
Bore Hole Diameter: | φ30,φ42 |
Connection Dimension | the diameter of the drill bit handle isφ8.5,φ12.5 |
Special service base on customer request. |