1.Name:DIN6923 Hexagon flange nut 2.Size: M6-M100 3.Grade:Gr.2,5,8,10, 2H, DH, / ... 8/ 4.Material:Carbon steel,Stainless steel Specification of our nut ... of nuts we can offer?1.NameHex nut, Coupling nut, Nylon lock nut, Spring lock nut, Square nut,Wing nut,etc2.StandardDIN, IFI, ISO, JIS, AS ...