Introducing the Caplugs HUP-SH Series Ultrabake Silicone Hollow Plugs, a versatile solution designed specifically for high-temperature applications. These plugs excel in masking off plain and threaded holes, making them essential for industries such as aviation, medical, and general manufacturing. With a transparent design, they ensure that your finishing processes, including powder coating, e-coating, plating, and anodizing, are seamless and efficient.

The HUP-SH Series plugs are crafted from premium Ultrabake silicone, which offers remarkable flexibility and longevity. This material is engineered to withstand extreme temperatures, with a maximum tolerance of up to 600°F (315°C). Unlike other materials, Ultrabake silicone provides a longer service life, ensuring you can rely on these plugs for repeated use in various demanding environments.

Available in a range of sizes, this specific model features a minimum outer diameter of 3.500 inches and a maximum outer diameter of 5.000 inches. The dimensions are as follows:

The hollow design of these plugs not only makes them lighter but also allows for better conformity to a variety of hole sizes. Engineered with a tapered design, they offer an easy-to-use solution for any professional looking to protect and finish surfaces efficiently.

Caplugs is committed to delivering exceptional quality and a broad range of solutions to meet the needs of various industries. Our extensive line of premium products is backed by a team of engineers and molding experts who ensure consistent results and reliability. Trust Caplugs for your masking needs, and experience the difference that quality and expertise can make in your operations.