... ,female,male, bolt and nut, washer,union,spring 2)Carbon Steel ,Aluminium, Brass, SS. rubber 3)OEM fitting for hose,tube Material ... sleeve, spring etc ,which are used for stainless steel brake hose, brake and fuel pipe, brake and clutch hose, or fittings.Commodityhose fittings ... ; cold heading; casting,OtherMetal accessories, rubber accessories, plastic accessories fitting for hose and tube