Min. Order Reference FOB Price
1 Piece US$185.00-190.00 / Piece
Product Description
7K wellhead Type HDS HDP RTM RTS Roller Kelly Bushing Roller Kelly Bushings can be classed as two types based on different ways of drive, square drive and pin drive. Also they can be classed as three types based on different style, heavy, medium and light-duty. They are used for 17.1/2 to ...