Keyword:bit,drill bit,drilling bit chinacoal07
Packaging & Delivery
Packaging Detail: carton or as the client's requirements
Delivery Detail: 20 days after the deposit
chinacoal07 Specifications
Coal drill bit have following features: large torque, wide drilling range, easy connection and durable
It is mainly combined with spiral drill shank and works together with coal electric drill machine or portable drill machine.
Specification: Drilling Hole Diameter:φ30,φ42
Connective Dimension: φ8.5,φ12.5
Types: Dry type, Wet type
Features: It is mainly combined with spiral drill shank and works together with coal electric drill machine or portable drill machine. Adopting the technical of finish casting and being made of high-grade alloy,the bits have following features: large torque, wide drilling range, easy connection and durable
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