The head of the screw head of the hexagon socket screw is round, and the middle is a concave hexagon. The hexagon screw is the...

The working temperature of the material's heat resistance (high temperature strength, anti-oxidation performance) requirements;

In order to prevent the corrosion of steel parts, it is one of the common methods to plate a layer of zinc on the surface. Due to...

The size of the flange nut and the general hex nut is basically the same as the thread size, but compared with the hex nut, it is a...

Nuts are nuts, screws or screw together to tighten the role of parts, all production and manufacturing machinery must use a component according to the different material, divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types.

The load-bearing performance of the metal roof panel is related to the section characteristics of the corrugated metal sheet type, strength, thickness, the force transmission method. And the spacing of the purlins. So the load-bearing problem needs to pay attention to when designing the workshop bui......