Mining products Roller chain connecting link washer   Roller chain connecting link washer   SPECIFICATION OF MANUFACTURE PPC SA DYPOR. DRAWING OF MANUFACTURE   PPC SA DYPOR 02-1661-00, 02-1662-00. Dimensions Φ13Χ30Χ7, Φ35Χ18,2Χ13, Φ50Χ25Χ12. MATERIAL OF MANUFACTURE   Steel St-37.