Phosphating Phosphating is a process of forming a phosphate chemical conversion film by chemical and electrochemical reactions. The formed phosphate conversion film is called a phosphate film. The thickness of the film i...
The surface treatment of fasteners is a process of forming a covering layer on its surface through a certain method. The purpose is to give it a beautiful surface and anti-corrosion effect. There are the following types:...
It took thousands of years for small screws to be invented to be tightened clockwise and loosened counterclockwise. Regardless of screws, bolts, or other threaded connections, there are two types of left-hand thre...
Marking on the head of the bolt is not a mandatory requirement. Because the mark on the head of the bolt is generally marked according to the manufacturer's own standards, the information indicated by these marks is not ...
1. The attachment of dust or foreign metal particles, in the humid air, the attachment and the condensed water of the stainless steel screw, connect the two to form a micro battery, which triggers an electrochemical reac...
Stainless steel screws and iron screws can not be said which is better, mainly depends on the occasion. 1. In terms of anti-corrosion performance Stainless steel screws are obviously better than iron screws. Because stai...
