Low-head screws, low-head bolts, sizes from M3 to M12, the biggest feature is the screw head, the outer diameter is small and the thickness is 2~7mm. It is suitable for the design of various light, thin, short and small, without sufficient space. It can also reduce the total weight of products or machinery. The materials are S45C steel, SCM435 steel, and SUS304 stainless steel, which can be selected according to the requirements of the use environment. For example, stainless steel is recommended for outdoor, offshore, wet, etc.; and if the color appearance tends to be black, you can choose steel dyed black treatment.