These outer hex head pipe fitting plugs are designed to seal holes in machinery,refrigeration, effectively preventing leaks of pressurized air, steam, gas, water, oil, and other fluids. They are commonly used to plug intake manifold water ports, water pump ports, engine plug holes, and various other industrial applications.SpecificationColor: BlackMaterial: Carbon SteelThread Size: G (BSP) 1/4";Thread Length: 11 mm / 0.43 inchOuter Hex Width: 13.8 mm / 0.54 inchHead Diameter: 20 mm / 0.79 inchHeight: 20 mm / 0.79 inchPacking List: 4 Pcs x Pipe Plug; 4 Pcs x Copper WasherAdvantagePremium Material: The pipeline joint is constructed from durable black oxide carbon steel, offering excellent resistance to high and low temperatures, oil, and corrosion, ensuring long-term reliability.
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