Overflow screw DIN 7643 M14x1.5 mm Overflow screw, excess fuel intended for bleeding the fuel system, for ring terminals in rubber hose connections, used in the automotive industry and in industry.Bleeding the system by loosening the screw.Codes OE403009Technical parameters: DIN 7643 standarda: M14x1.5 mmL: 26 mmH: 19 mmpassivation: yellow Purpose: Fuel system