Min. Order Reference FOB Price
1 Piece US$15,500.00-54,260.00 / Piece
Product Description
YDH804 with : 3 steps percussion frequency selection Capable of 178mm casing advancing drilling 3 speed hydraulic circuit operated by hydraulic directional valve. Rotation torque can get to 33360 Nm Descriptions Unit Technical data Percussion mechanism Oil pressure bar 180 Oil flow ...