Brass Nut

The Brass nut is a component that must be used in all manufacturing machinery. There are many kinds of nuts, according to the different materials, divided into carbon steel, high strength, stainless steel, plastic steel and other types. According to the product attributes corresponding to different national standards are divided into national standard (GB), American standard, nuts according to attributes mainly have national standard (GB), German standard (DIN), international standard (ISO), Japanese standard (JIS), American standard (ASTM/ANSI) and other standards. Where, the national standard, German standard, and Japanese standard are represented by M (such as M8, M16), and the United States system and British system are represented by fractions or # (such as 8#, 10#, 1/4, 3/8). Different regions have different codes, and the national standard number of ordinary M3 nuts is GB6170.

According to the nut diameter to distinguish, according to the nut diameter to be divided into M6, M8, M12, M14, M20, M24, M30, etc., an 8-level M6 nut its minimum guaranteed load is 17200N pulling force, an 8-level M12 nut its minimum guaranteed load is 74200N pulling force. According to the shape of the nut to distinguish, nuts according to the shape is divided into: hexagonal nuts, four corner nuts, butterfly nuts, crown nuts, round nuts, cap nuts, knurled nuts and so on.

Hexagon nuts are divided into three types according to nominal thickness: type I, type II and thin type. Nuts above grade 8 are divided into two types: Type I and type II. Type I hexagonal nuts are the most widely used, and type I nuts are divided into A, B, and C three levels, of which class A and class B nuts are suitable for machines, equipment and structures with small surface roughness and high precision requirements, while class C nuts are used for machines, equipment or structures with rough surface and low precision requirements; The thickness of type II hexagon nuts is relatively thick, and it is used in occasions where installation and disassembly are often required.

Nuts have the following characteristics, making them widely used in industrial manufacturing, construction, machinery, automobiles, shipbuilding and so on.

First of all, it is easy to install, so that the wrench can be operated, the installation is very convenient, almost so that it can be used in various structures, and the external view ratio is more beautiful. Secondly, it is easy to disassemble, if you want to replace or remove the nut, we can use an ordinary wrench to achieve disassembly freedom, even if a person can complete it.

Third, the overall performance is good, nuts are our common fastener products, and bolts, studs or other threaded workpieces used together, play a connection fastening role. Under normal circumstances, the strength of the bolt selected during design will be one level higher than that of the corresponding nut, which can ensure that the life of the screw is longer than that of the nut when used together. This in the sample disassembly and replacement of fasteners, the cost of replacing the nut will be cheaper and more convenient. The fastening effect of the nut is better than that of ordinary fastening supplies such as glue.

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