Three wings non-coring bits
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Type:3-wings non-core bits
Size:94mm
high efficiency,strong wear resistance for drilling.
Name: pdc non-core bits
Yype:concave model with 3-wings
Size:94mm
Range:used to penetration the degassing hole, drain hole, and grouting hole of coal mine.
Characteristics:
It has high efficiency and strong wear resistance for drilling.