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3 Wings Non Coring Inner Concave Drill Bit 75Mm - 220Mm Mining Rock Drilling PDC

3 Wings Non Coring Inner Concave Drill Bit 75Mm - 220Mm Mining Rock Drilling PDC

Regular price £434.99 GBP
Regular price Sale price £434.99 GBP
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Overall Length
Hole Diameter

3 Wings Non Coring Inner Concave Drill Bit 75mm - 220mm Mining Rock Drilling PDC Geological Prospecting Hammer Digging Well Bits

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Concave Three-Wing Non-Coring Bit
Scope of application: It is suitable for rotary drilling in coal mine geology, underground gas drainage, water injection, and drainage, etc
Applicable rock formation: suitable for high-speed drilling in 6


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