Lincoln Service Parts 1 › Lincoln Electric 9SM20517-1 NYLON SCREW M20517-1 Lincoln Electric 9SM20517-1 NYLON SCREW M20517-1 Sale Price: $11.01 Original Price: $12.66 NYLON SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! NYLON SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1