Columbia Engineered Rubber Inc. manufactures a wide range of custom rubber plugs including tapered, threaded and non-threaded, load bearing and finished plugs all available in a variety of materials, shapes and sizes. All of our molded rubber plugs are custom designed for your particular application enabling us to meet almost any specification. Our ISO/TS 16949 certified facilities feature injection, compression and transfer molding capabilities. Whatever your sealing requirements, Columbia has the means to exceed your expectations.