1.Name:Long round nut with side hole 2.Size: M8-M48 3.Grade:Gr.2,5, ... steel Specification of our nut: 1.NameLong round nut with side hole2.StandardDIN, IFI, ISO, JIS, AS,BS, EN, SAE,ASTM3 ... , Coupling nut, Nylon lock nut, Spring lock nut, Square nut,Wing nut,etc2.StandardDIN, IFI, ISO, JIS, AS,BS, EN, SAE ...