Min. Order Reference FOB Price
1 Piece US$460,000.00-490,000.00 / Piece
Product Description
Technical Specification Type KR220C Torque 220 KN.m Max. diameter 1800/2000 mm Max. drilling depth 51 m(Lock)/ 64 m(Friction kelly bar) Speed of rotation 5~26 rpm Max. crowd pressure 210 kN Max. crowd pull 220 kN Main winch line pull 230 kN Main winch line speed 60m/min Auxiliary ...