threaded rod 1. DIN, ASME, ISO, EN standard 2. Grade 4.8, ... , 8.8, 10.8,S304 3. bolt, nut, washer, screws,threaded rod threaded rod1. DIN, ASME, ISO, EN standard2. Grade 4.8, 6 ... ,threaded rod4. galvanized, painted, bright, black,oiled5. carbon steel, stainless steel6. Round, hexagonal, square head nut.7. package by box. CERTIFICATE: ISO9001 threaded rod ...