GB/T 1231-2024
High strength bolts with large hexagon head for steel structures
CB/T 4568-2025
Hexagon head bolt and cross pin for D3 shackle
CB/T 4568-2025
Hexagon head bolt and cross pin for large D3 shackle
CB/T 4568-2025
Hexagon head bolt and cross pin for 03 shackle
CB/T 4568-2025
Hexagon head bolt and cross pin for large 03 shackle
CB/T 4568-2025
Hexagon head bolt and cross pin for large 0E3 shackle
ISO 4015-2022
Hexagon head bolts-Reduced shank