1. Standard:DIN933, DIN934 3. Grade : Grade4.8-10.9 or grade 5,8 ASTM A193 B8, ASTM A193 B8M, ASTM F593C, ASTM F593D, ASTM F593C, ASTM F593D 2. Size of hex bolt: 1/4''-3'', M4-M100 3. Surface: HDG, Zinc-plated, Dacromet, Passivation, Black, Nickel plated, chrome plated, Polish 4. Material certificate can be provide if needed. 5. Delivery term, FOB Tianjin, Ex-works, etc. 6. Packing details, Bags+Catons+Pallets, or according to clients` requirement.