Fastener screws need to be inspected before or after production before they can be put into use. Therefore, in order to get a better use effect of fastener screws, these inspections must be carefully carried out. Hebei Wanchen Fastener Manufacturing Co., LTD. Xiaobian according to the summary of exp

Bolt anti loosening is by eliminating (or limiting) the relative movement between the thread pair, or increasing the difficulty of relative movement, to prevent the connection loose, to ensure the safety and reliability of the connection. There are various measures to prevent looseness. The followin

Without surface treatment: At present, among stainless steel fasteners, according to our experience, taking 304 products as an example, without any surface treatment, the general salt spray test time for stainless steel screws is 48 hours, and the nut is 96 hours. However, affected by the rough surf

At present, there are some methods to quickly detect the authenticity of stainless steel fasteners on the market, such as the use of stainless steel potions and magnets, but after years of verification, these two methods are not scientific. Relevant qualitative standards, different experimental meth

Threaded connection is a widely used detachable fixed connection, has the advantages of simple structure, reliable connection, convenient assembly and disassembly, widely used in mechanical equipment. One, double bolt assembly

Original title: Bolt fastening SolutionsAt present, almost all bolts used in industry need to be controlled, which is the so-called torque control torque refers to the use of predetermined torque or predetermined torque and Angle, to carry out industrial fastening, in order to ensure enough clamping