Founded in 1966, Queen Screw and Manufacturing Inc. specializes in the precision machining of plastic components for the medical, instrumentation, microwave, electronics and chemical equipment industries. Situated in Waltham, Mass., the company fabricates components and assemblies from a wide range of polymers such as PEEK, KEL-F, Teflon, Torlon 5030, etc. It supplies its products to various companies, including Waters Corporation, Chiron Diagnostics, M/A-Com Inc., Raytheon and Orion Research. In addition, its quality management system is in accordance with ISO 9001:2000. Queen Screw and Manufacturing Inc. produces inserts, stainless steel tubes and other special requirement products.