Carbon Steel GB/T 1228-2006 High strength bolts with large hexagon head for steel structures
Product Overview:
High strength large hexagon head bolts specified in GB/T 1228-2006, specially designed for steel structural connections with excellent tensile and yield strength, thread specifications from M12 to M30. Its large hexagonal head design is easy to operate, improve the connection efficiency, and has good anti-corrosion performance to ensure stability and reliability in railway Bridges, boiler steel structures, high-rise buildings and other complex environments. The bolt is an indispensable and important connection element in steel structure engineering.
Grade:
4.8, 6.8, 8.8, 10.9, 12.9
Carbon Steel GB/T 1228-2006 High strength bolts with large hexagon head for steel structures Details
High strength bolts with large hexagon head for steel structures thread specifications range from M12 to M30, with pitch varying from 1.75mm to 3.5mm. The material is carbon steel. Surface is treated through oxidation and blackening.
Product Characteristics
Application
Product Characteristics
- High strength: The high-strength large-hexagonal head bolts specified in the standard have high tensile strength and yield strength, which can meet the high strength requirements in the steel structure connection.
- Large hexagonal head design: The head of the bolt adopts a large hexagonal design, which is easy to use tools such as wrenches to tighten and disassemble, and improve the construction efficiency.
- Accurate dimensions and tolerances: The standard has revised the dimensions and tolerances of the bolts and the width of the opposite side of the large hexagonal head to make them more accurate, which is conducive to improving the assembly accuracy and connection reliability.
- High quality material: The bolts are made of high quality steel and are strictly controlled by chemical composition and mechanical properties to ensure product quality.
Application
- Railway and road bridges: Used for the connection of bridge structures to ensure the stability and safety of bridges.
- Boiler steel structure: used for the connection of boiler equipment, withstand high temperature and high pressure environment.
- Industrial plant: It is used to connect the steel structure of the plant to improve the stability and carrying capacity of the plant.
- High-rise civil buildings: steel structure connection for high-rise buildings to ensure the stability and safety of the building.
- Mast structure: Used for communication tower, transmission tower and other tower mast structure connection, withstand the influence of wind and other external forces.
- Lifting machinery: used for steel structure connection of lifting machinery to ensure the stability and safety of machinery.
