How to test the product quality of screws
2023-11-22 [ INDUSTRY ]
Screw, refers to the construction machinery parts, it is a kind of sharp end such as nails, small cylindrical or conical metal rod with external thread parts, with a groove or with a concave head, separate application. The test of the begin......
2023-11-15 [ INDUSTRY ]
From the wire into a qualified fastener screw, you need to go through 6 processes. 1. Treatment of wire Fastener screws generally use wire with a diameter of 5-19㎜ as raw materials, and its material is mainly carbon steel, stainless steel, ......
Five stainless steel surface treatment methods
2023-11-08 [ INDUSTRY ]
Although the corrosion resistance and rust resistance of stainless steel are relatively good, it is not absolute, in order to further improve the performance of stainless steel, such as hardness, the surface treatment of the material is req......
2023-11-01 [ INDUSTRY ]
Surface treatment type: Surface treatment is the process of forming a covering layer on the surface of the workpiece by a certain method, the purpose of which is to give the product a beautiful surface and anti-corrosion effect. The surface......
Stainless steel screws and carbon steel screws which is good
2023-10-25 [ INDUSTRY ]
At present, the screw fastener industry, the material composition is mainly stainless steel screws and carbon steel screws, these two are more common, and the range of use is also wider. We all know that stainless steel screws and carbon st......