Definition and application scope of Machine Screw.



As the name suggests, it generally refers to the screws used on mechanical equipment. It is generally the metric system and the British system, the American system, the Japanese standard and other different national standards. Generally according to the screw material, there are iron mechanical screws and stainless steel mechanical screws, iron we are also called carbon steel, carbon steel there are many kinds, there are about three kinds, respectively, low carbon steel, medium carbon steel, high carbon steel. Stainless steel machine screws are mainly stainless steel SUS201,304.316 and so on. Some mechanical screws due to the hardness of the material is not enough, generally add hard treatment, add hard, so that its hardness index to meet the standard, or meet customer requirements. With this hardness index, the strength grade standard of mechanical screws comes out, there are 4.8, 8.8, 10.9, 12.9 and so on. Mechanical screws are divided into machine screws and self-tapping screws, machine screws, the main thread is machine thread, generally need to be used with nuts, and self-tapping screws are generally self-tapping thread, it is not necessary to use with nuts. Can be used alone.

Scope of Application

The scope of application of mechanical screws is relatively wide, the last time Zhu manager wrote a professional screw application scope, this title is called screws all used where? What is the application range of screws? Want to know can go into this paste to see, mechanical screws in addition to the use of mechanical equipment, but also used in many places, such as water conservancy projects, engineering decoration, engineering construction, vehicles and ships and so on are useful. According to the different materials and strength levels of mechanical screws, different materials are used in different occasions, and different strength levels are also used in different product material places.

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