What factors determine the price of long m4 machine screws?

In recent years, the demand for long m4 machine screws more and more customers. When choosing a screw manufacturer, many customers will consider the price, so their price is determined by what factors?

1, material. Those who have an understanding of screw material all know that their prices are different for different materials. In particular, the price of titanium and aluminum long m4 machine screws is much higher than that of stainless steel and carbon steel.

2. Surface treatment. After choosing material, long screw still needs to do surface treatment commonly, on the one hand, is to enhance its ability of anti-corrosion, anticorrosion, on the other hand, is for the aesthetic degree. And according to the surface treatment is not the same, the process used is not the same. Some surface treatments are charged by kilograms, while others are charged by quantity (that is, by PCS).

3. Technology. long m4 machine screws are usually custom-made and rarely available from stock. Its production is generally produced by single – mold machine, multi-station machine, CNC, die – closing machine, simply divided into cold heading production and turning production. Screw specifications are not the same, the use of technology is not the same. Which is the specific, need to see the drawings to determine.

4. Other special requirements. For example, it is required that the shipping mark of our company should be affixed to the packaging bag and the shipping mark of our company should also be attached to the outer packing box when long m4 machine screws are packaged, and the information of the supplier should not be on it. The price varies according to the requirements.