double end threaded rod 1.M5-M100 2.threaded rod material,ss304,ss316,40Cr,etc 3.SGS,ISO 4.black, ... zinc plated,HDG,etc double end threaded rod 1.Features Material: Carbon steelFinished: PL, Zinc plated, HDG, Dacromet ... zinc, Black oxide, Nickel plated, Chrome plated, Cr+3, Brass plated Grade: 4.8-8.8 Standard: DIN, ANSI/ASME ...