R32 R38 atlas copco 76mm thread mining rock drill
Use:Mining Drilling Product name:R32 Threaded Mining Rock Drilling Button Bits for Mining Diameter:57mm Gouge Button size:6*D10 Front Button size:3*D10 Gouge Flushing hole:1 Front Flushing hole:3 Carbide Button:Spherical Button,Ballistic Button,Ogive Button Gouge angle:30°
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