In the 1950s, engineers searched for a more reliable and effective way to seal machined and cross-drilled holes in metal housings. In response, The Lee Company developed a plug designed to form a permanent, leak-tight seal without using O-rings, threads, or sealants. The Lee Plug® remains the best seller for The Lee Company, with well over 200 million plugs used in hydraulic systems. The Lee Company is the original OEM and the only qualified aerospace supplier for expansion plugs.
Partner with The Lee Company and get much more than just a supplier of top-quality fluid control products. Our reliable technical support team is available every step of the way to help you find solutions, maximize productivity, and drive efficiency across your operations. Check out these resources tailored to your industry to learn more.