... nut, washer,union,spring 2)Carbon Steel ,Aluminium, Brass, SS. rubber 3)OEM fitting for hose,tube Material ... : Carbon Steel ,Aluminium, Brass, SS. rubberSurface treatment:: Zinc/Chromium/Nickel plating, Oxide ... brake and fuel pipe, brake and clutch hose, or fittings.Commodityhose fittings.MaterialMild steel, stainless steel, aluminum, copperThread standardsMetric: M10X1 ...