Overflow screw DIN 7643 M6x1 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 OE403001-1Technical parameters: DIN 7643 standarda: M6x1 mmL: 13 mmH: 10 mmholes: 1passivation: whiteDestination:Fuel system