Fasteners are a type of mechanical parts that are used for fastening connections and are extremely widely used. It is widely used in various industries, such as machinery, equipment, vehicles, ships, railways, bridges,...

Hexagon nuts are used in conjunction with screws, bolts, and screws to connect and tighten parts. Among them, type 1 six-purpose nuts are the most widely used. Grade C nuts are used for machines, equipment or structures with...