Flat Round Head Straight Groove Bolt

There are various specifications for flat round head bolts, with common nominal diameters including M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, etc. In terms of length, each specification is further subdivided into different lengths, such as M34, M35, M3 * 6, etc. Flat round head bolts can be made of various materials, such as carbon steel, stainless steel, etc., and can be surface treated through heat treatment, electroplating, and other methods. For example, some bolts are treated with nickel plating to improve corrosion resistance and aesthetics.
Flat round head bolts are widely used in many fields due to their structural characteristics. For example, it is used to connect and fix parts in mechanical manufacturing, to fix structural components in the construction industry, and to fix circuit boards in electronic products.