Lincoln Service Parts 2 › Lincoln Electric 9SS28170-22 M3-.5 X 5MM PPH EXTERNAL SEMS [5] S28170-22 Lincoln Electric 9SS28170-22 M3-.5 X 5MM PPH EXTERNAL SEMS [5] S28170-22 Sale Price: $1.65 Original Price: $1.90 M3-.5 X 5MM PPH EXTERNAL SEMS [5] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 5 Add To Cart Added! M3-.5 X 5MM PPH EXTERNAL SEMS [5] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 5