ASTM high-temperature resistant high-strength bolts 

Bolt is one of the fasteners widely used in mechanical equipment, and its main function is to Connect two or more mechanical components to maintain a fixed and relative position without occurrence Move or rotate relative. Bolts are widely used, from small household appliances to large household appliances. Mechanical equipment has its presence. The application of bolts in the mechanical manufacturing industry is very important, as it is the installation of mechanical equipment, Disassembly and maintenance provide convenience. Bolts can be made of various materials such as carbon steel and non carbon steel. In order to meet different working environments and requirements, stainless steel, brass, copper, etc. There are also various specifications and models to choose from to meet the needs of different mechanical equipment. In addition to the mechanical manufacturing industry, bolts are also used in fields such as construction, automotive, electronics, and aviatio…