Fasteners can be said to be the most widely used mechanical parts! Its figure is everywhere. You can see all kinds of fasteners on all kinds of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters and supplies. The 13 most commonly used fastener parts: bolts, studs, screws, nuts, self-tapping screws, wood screws, washers, fixing rings, pins, rivets, components, connection pairs, wire thread inserts! Fasteners are the most versatile basic components with large volume and large area. They are closely connected with the steel industry at all levels. Fasteners can be made of steel, non-ferrous metals, stainless steel, titanium alloys or other engineering materials. The processing method can be hot processing or cutting, but more than 90% of the processing is performed by cold pressing. The products manufactured by this method have high precision, high quality and high production efficiency. China's fastener industry has ...