1. Standard:DIN933 2. Grade : Grade4.8-10.9 or grade 5,8 ASTM A193 B8, ASTM A193 B8M, ASTM F593C, ASTM F593D, ASTM F593C, ASTM F593D 3. Size of hex bolt: 1/4''-3'', M4-M36 4. Surface: HDG, Zinc-plated, Dacromet, Passivation, Black, Nickel plated, chrome plated, Polish 5. Material certificate can be provide if needed. 6. Delivery term, FOB Tianjin, EXW, etc. 7. Packing details, Bags+Catons+Pallets, or according to clients` requirement.