... Nuts 2)Size; M3~M24 3)Material; Stainless Steel,Iron,Copper,ect. 4)Standard; DIN,BSW,JIS,ANSI,GB. OEM ... ; as per your samples or drawingsMaterial; Stainless Steel, Iron,Copper,Aluminum or at your optionsOther: OEM and Non-standard Fasteners ... ; 1. Professional Service 2. Engery Saving and Enviromental Protection 3. Hardness, Corrosion esistanceWe are Professional Manufacturer of all kinds of Fasteners ...