Introducing our premium collection of 20 Pieces White Rubber Stoppers, specifically designed to fit 8.5mm (0.33′) holes. Crafted from high-quality silicone rubber, these stoppers are not just sturdy but also feature excellent temperature resistance, making them suitable for environments that can reach up to 250°C. Whether you need to seal pipelines, equipment, or special media, our rubber stoppers deliver outstanding performance and reliability.

One of the key features of our stoppers is their high stability. They are incredibly easy to install, allowing you to plug holes effortlessly. Moreover, they can be adjusted using tools to ensure a tighter fit. This adjustability significantly enhances their firmness and durability, giving you peace of mind that your sealing needs are met.

These rubber hole plugs are designed with easy usability in mind. They exhibit remarkable sealing capabilities and corrosion resistance, effectively preventing liquids, gases, dust, and water vapor from entering your pipelines or equipment. This makes them an excellent choice for various applications, including those involving special media such as acids.

Installation is straightforward. Simply insert the rubber stopper into a correspondingly sized sealed hole or pipe. This intuitive process means you can quickly and effectively complete your installations without hassle.

In summary, our 20 Pieces White Rubber Stoppers are an essential addition to your toolkit. With high stability, excellent sealing capabilities, and ease of installation, they are perfect for anyone needing reliable sealing solutions.