Sealing plugs are not a specific brand but a category of industrial components used to seal openings in machinery, pipes, or equipment. These products are commonly offered by various manufacturers and suppliers worldwide, such as Radwell International (USA) and Grainger (USA), which distribute a wide range of industrial sealing solutions. Sealing plugs serve industries like manufacturing, automotive, plumbing, and HVAC, providing protection against contaminants, debris, or fluid leakage. Key products include rubber, plastic, or metal plugs, threaded caps, and expansion seals, designed for durability and precision in diverse applications.