Points for lightning protection when purchasing countersunk stainless steel screws
Points for lightning protection when purchasing countersunk stainless steel screws For fasteners, if you purchase without knowing it, it is easy to step into the pit. After all, the fastener industry is not that simple. For example, when we are purchasing countersunk stainless steel screws w hat points should be paid attention to? What is the specific grade of countersunk stainless steel screws ? For those who are not familiar with screws, stainless steel is stainless steel, there is no difference. But for the familiar, there are many kinds of stainless steel, such as 201, 304, 316 and other grades. The composition, performance and price of different grades of stainless steel are different. The price of 201 grade stainless steel screws is very cheap compared to other grades of stainless steel, and the quality is not very good, it is easy to rust, and the corrosion resistance is not very good. The 304 grade stainless steel is used more in the screws. After...