1. Standard:DIN931
2. Grade : A4-80, 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-M100
4. Surface: HDG, Zinc-plated, Dacromet, Passivation, Black, Nickel plated, chrome plated, Polish
5. ISO RoHS approve
6. Packing details, Bags+Catons+Pallets, or according to clients` requirement.