... 2)Carbon Steel ,Aluminium, Brass, SS. rubber 3)OEM fitting for hose,tube Material: Carbon Steel ,Aluminium, Brass, SS. rubberSurface treatment ... bolt, washer, clip, rubber sleeve, spring etc ,which are used for stainless steel brake hose, brake and fuel pipe, brake and ... ; cold heading; casting,OtherMetal accessories, rubber accessories, plastic accessories fitting for hose and tube