Weldable Aluminum Fuel (Tank) Filling Hole - Several Sizes

EPMAN Weldable Aluminum Fuel (Tank) Filling Hole - Several Sizes / For Water Tank Available Sizes:EPYXG200M10 Neck O.D. - 25mm (1.0in), Neck I.D. - 14.0mm, Length with cap - 32mm EPYXG200M15 Neck Outer Diameter - 38mm (1.5in), Neck Inner Diameter - 24.5mm, Length with Cap - 32mm EPYXG200M20 Neck Outer Diameter - 50.8mm (2.0in), Neck Inner Diameter - 35.8mm, Length with Cap - 32mm EPYXG200M25 Neck Outer Diameter - 63.5mm (2.5in), Neck Inner Diameter - 45.0mm, Length with Cap - 35mm EPYXG200M30 Neck OD - 76mm (3.0in), Neck OD - 57.7mm, Length with cap - 38mm   Application: For individual containers, pressure vessels, bottles Fuel tank / Fuel buffer tank, compensating water tank, cooling radiator, coolant tank. Can be used for fuel systems. Aluminum screw filler cap neck for attaching to the hose. It can also be welded to a tank. The outer edge of the cap is knurled to provide a grip when unscrewing and is equipped with a sealing ring. Its material 6061 aluminum can be used for almost any project: rear differential housing, filler cap, valve cover filler cap, expansion tank filler cap, coolant overflow tank; No ventilation