Lincoln Service Parts 1 › Lincoln Electric 9SM29681-40 CS BALLSCREW & NUT ASBLY 40" M29681-40 Lincoln Electric 9SM29681-40 CS BALLSCREW & NUT ASBLY 40" M29681-40 Sale Price: $2,696.68 Original Price: $3,101.18 CS BALLSCREW & NUT ASBLY 40" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! CS BALLSCREW & NUT ASBLY 40" PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1