DIN931/DIN933 /DIN934 Carbon Steel State Grid Transmission Line Electric Power steel Tower Hot DIP Galvanized HDG Heavy Hex Bolt

A stainless steel hexagonal head bolt is essentially made up of two integral parts: the hexagonal head and the screw. Stainless steel, the material used in these bolts, falls into two primary categories—stainless steel bolts themselves and a variety of surface materials like SS304, SS316, SS316L, and other options.

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The grading system for bolt performance adheres rigorously to globally accepted international standards, ensuring comprehensive coverage across diverse specifications. Bolts of the same performance grade exhibit consistent performance characteristics, regardless of their material composition or source. When designing, particular attention is given to selecting performance levels, such as strength grades indicated by 8.8 and 10.8. These grades specifically signify the bolt's shear stress capacities at 8.8 GPa and 10.8 GPa, respectively, serving as fundamental criteria for design and specification purposes.

Application:

Environmental protection equipment, medical equipment, communications equipment, electric power facilities, electronic products, food machinery, petrochemical industry, ship assembly, pump valve, pipe, building curtain wall, Buildings, machanical equipments, bridges, tunnels, high speed railways etc