... .SGS,ISO 4.black,zinc plated,HDG,etc double end threaded rod 1.Features Material: Carbon steelFinished: PL, Zinc plated, HDG ... oxide, Nickel plated, Chrome plated, Cr+3, Brass plated Grade: 4.8-8.8 Standard: DIN, ANSI/ASME, BS, GB, JIS, Non- ... Dimensions Product name double end threaded rodSpecification M2-50MaterialMild/medium/high carbon steelMaterial grade4.8,6.8,8.8,12.9ColorPlain, blue plated, ...