threaded rod 1. DIN, ASME, ISO, EN standard 2. Grade 4.8, 6.8, 8.8, 10.8 3. bolt, nut, washer, screws,threaded rod Threaded rod1. DIN, ASME, ISO, EN standard2. Grade 4.8, 6.8, 8.8, 10.83. bolt, nut, washer, screws,threaded rod4. carbon steel, stainless steel5. galvanized, balck, bright6. Size: M6-M507. Length: from 10 to 3000mm CERTIFICATE: ISO9001 threaded rod