● Mechanical parts, cylindrical threaded fasteners with nuts. A type of fastener consisting of head and screw, which should be matched with nut, is used for fastening and connecting two parts through holes. 
● It is divided by head shape: hexagon head, round head, square head, countersunk head, etc. Among them, the hexagon head is the most commonly used.
● According to the thread, it can be divided into coarse teeth and fine teeth. According to the performance grade, bolts are divided into eight grades: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9 and 12.9.
● Our bolt products mainly include Flange Bolts, Hex Head Bolts, Hexagon Socket Head Bolts, Cylinder Head Bolts, T-head bolts, Square head bolts, Ball head bolts, Oval Head bolts, Plum head bolts, Anchor bolts, and so on. We have a wide range from which you can choose similar styles, and of course we can custom manufacture bolts according to your drawings. Our bolt products are widely used in automobile chassis, automobile engine, automobile clutch assembly, automobile brake series, hardware tools, etc.

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