1.Name:DIN985 Hex nylon lock nut 2.Size: M8-M48 3.Grade:Gr.2,5,8,10, 2H, DH, /8/ 4.Material:Carbon steel,Stainless steel Specification ... nut, Coupling nut, Nylon lock nut, Spring lock nut, Square nut,Wing nut,etc2.StandardDIN, IFI, ISO, JIS, AS,BS, EN, SAE, ASTM3.GradeGr.2,5,8,10, 2H, DH, /8/4 ...