Material: 100% Alloy Steel Grade 10.9, and the surface is treated with black oxide. High corrosion resistance and chemical resistance.
Flanged Hex Head Bolts can be widely used in household appliances, electronic products, communication products, automobiles, bicycles, furniture, ship assembly and other mechanical industries.
Design: The feature of flange bolts is that there are some circular serrated flanges below their heads, which serve as gaskets to distribute the load and prevent loosening.