... , 6.8, 8.8, 10.8,S304 3. bolt, nut, washer, screws,threaded rod bolt and nut1. DIN, ASME, ISO, EN standard2. Grade ... 4.8, 6.8, 8.8, 10.8,S3043. bolt, nut ... , washer, screws,threaded rod4. galvanized, painted, bright, black5. carbon steel, stainless ...