Lincoln Service Parts 2 › Lincoln Electric 9SS29990 OSC BALL SCREW S29990 Lincoln Electric 9SS29990 OSC BALL SCREW S29990 Sale Price: $2,204.80 Original Price: $2,535.52 OSC BALL SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! OSC BALL SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1