Multi Specification Bolt Fastener with Anti Rotation Design

The cup head square neck bolt is a high-quality fastener that combines anti-rotation function with aesthetic design. Its round cup-shaped head is smooth and free of protrusions, which can prevent catching and scratching, and enhance the safety of use. The square neck structure can be embedded in the installation material, effectively preventing the bolt from rotating during the tightening process and ensuring the stability of the connection. The materials include steel and stainless steel. Steel has excellent strength, while stainless steel stands out for its outstanding corrosion resistance. Flexible selection can be made according to the working conditions. The surface treatment processes are diverse, including galvanizing, nickel plating, blackening, Dacromet, etc., which can adapt to complex environments such as dampness and corrosion. The strength grades cover 4.8, 8.8, 10.9, etc., meeting the requirements of different loads.   In both industrial and civil fields, cup head square…