Lincoln Service Parts 2 › Lincoln Electric 9ST10317-21 SHOULDER SCREW T10317-21 Lincoln Electric 9ST10317-21 SHOULDER SCREW T10317-21 Sale Price: $8.30 Original Price: $9.55 SHOULDER SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SHOULDER SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1