... ,spring 2)Carbon Steel ,Aluminium, Brass, SS. rubber 3)OEM fitting for hose,tube Material: Carbon Steel ,Aluminium, Brass, SS. rubberSurface treatment:: Zinc ... /8X18 etcStylesMale fitting, female fitting, banjo, nut, boltMaking technicsRivet; welding joint; wedge; cold heading; casting,OtherMetal accessories, rubber accessories, plastic accessories fitting for hose and ...