Estco offers a wide selection of rubber plugs to fit your specific application, including hole plugs and standard stoppers. Plug Master is a threaded plug insert for fastening, sealing and cushioning systems. Plugs Master parts can fasten blind holes and closed-end holes and they also absorb vibration and seal both sides.
Our Plug Master products come in a variety of sizes and are built to withstand the elements and will not crack with ozone and ultra violet exposure.