The cold heading of fasteners refers to the use of a mold, coupled with powerful special equipment, to plastically deform the metal material to produce the desired product standard. Because the metal is solid, it does not affect the properties of the metal after it has been cold. The surface of the c…

principleWith the rapid development of the Internet, e-commerce channels have emerged in recent years. More and more enterprises have seen the business opportunities brought by e-commerce channels, and have opened online shopping malls and online sales platforms to compete for new e-commerce. How do …

With the rapid development of the Internet, e-commerce channels have emerged in recent years. More and more enterprises have seen the business opportunities brought by e-commerce channels, and have opened online shopping malls and online sales platforms to compete for new e-commerce. How do companies…

Screw fasteners seem to be a simple and small work iron. However, when manufacturing, it is testing the technical strength of a factory. When the screw fasteners are produced, the screw tolerance may be too large in an hour. As a result, it is impossible to assemble, and it is also possible to contro…

Usually we often mention bolts, screws, screws, etc. What are the differences and connections between them?In fact, the standard is that there are no screws and nuts. Screws are commonly known as "screws" with external threads. The shape of the nut is usually hexagonal, and the inner hole …