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XIAOGUO is a China bolt Manufacturer,there are many kinds of customized bolts have low price. Bolt is a cylindrical, rod-shaped threaded fastener with a head, and the cylindrical part with a thread at one end is called a stud, which is used to cooperate with the nut; The other end is a wider bolt head, which is mainly used to fix the bolt. Bolts are usually made of high stiffness and strength alloys, and bolts used in special occasions such as electrical insulation or corrosion prevention also have various non-metallic materials.