Lincoln Service Parts 2 › Lincoln Electric 9SS19959-1 METRIC HEX LOCK NUT [5] S19959-1 Lincoln Electric 9SS19959-1 METRIC HEX LOCK NUT [5] S19959-1 Sale Price: $5.26 Original Price: $6.05 METRIC HEX LOCK NUT [5] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 5 Add To Cart Added! METRIC HEX LOCK NUT [5] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 5