What conditions can long m3 screws meet before they can be produced?

In the production of products, if certain conditions are not met, then it cannot be produced, the production of long m3 screws is the same, so what conditions need to be met to produce?

1. 1. Material confirmation. Screws can be made of many materials, such as plastic, stainless steel, iron, copper, aluminum, titanium and so on. And there are 201, 303, 304, 312, 314, 316 inside the stainless steel; Carbon steel is 1008, 1018, 1022, 10B21, etc. The copper includes H59 copper, H62 copper, etc. Aluminum 1100, 6061, 6063, 7075, etc. Titanium has TA1, TA2, TC4 and so on.

2. 2. Size. If there is a drawing, it will be better, so it will not take so much time to confirm the size of the long m3 screws, and communication will be faster.

3. Quantity. Without quantity, it is impossible to produce long screws even if the material, size, and other information are determined.

4.Surface treatment and surface requirements. There are many surface treatments for screws. Different customers have different requirements for the surface of the screws. Some require that the surface of long m3 screws should not have defects, should not be exposed to white, easy to fall off, dumb black or bright black, etc.