Api 2 3/8" Reg Pin box Drill Rods Sub/rock Drilling Machine/carbide .
Home >; All Industries >; Machinery >; Energy & Mineral Equipment >; Mining Machinery >; Mining Machinery Parts (31515455). Subscribe to . Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling . Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm.Live Chat