Lincoln Service Parts 1 › Lincoln Electric 9SM29681-20 CS BALLSCREW & NUT ASBLY 20" M29681-20 Lincoln Electric 9SM29681-20 CS BALLSCREW & NUT ASBLY 20" M29681-20 Sale Price: $1,537.87 Original Price: $1,768.55 CS BALLSCREW & NUT ASBLY 20" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CS BALLSCREW & NUT ASBLY 20" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1