I. Fixing of stainless steel screwsIn short, this means that stainless steel screws can be applied to the raw materials of the product, which will make the stainless steel screws not easy to fall. Screws must be securely connected to the raw material of the product. There are always two solutions fo

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

1Kazari sealKazari seal: This is a forced seal, with external thread Kazari seal, internal thread Kazari seal and improved Kazari seal in three forms. The external thread kazari seal is the most used. Its gasket is a soft metal gasket with a triangular cross-section, made of copper or aluminum. The

01 Advantages of cold headingHigh utilization rate of steel: cold heading (extrusion) is a kind of less, no cutting processing method, such as processing rods hex head bolts, cylindrical head hex screws, using the cutting method, steel utilization rate is only 25% ~ 35%, and with cold heading (extru

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