Most rivet nuts need to go through many steps to make and process, including the surface treatment of the half hex rivet nut .
The surface treatment method can choose oxidation, electro-galvanization, zinc-chromium coating (Dacromet), etc. Electro-galvanizing is implemented according to GB/T 5267.1-2002, and zinc-chromium coating (environmental protection Dacromet) is implemented according...