Profile: Durco Manufacturing Company, Inc. is a manufacturer of threaded inserts for a wide range of binding applications. Our threaded inserts feature designs that lock them strongly into metal, wood or plastic base materials. Threaded inserts are available for a variety of set-up methods including pressed-in, thermal, molded-in, threaded-in, and ultrasonic vibration. We are also specialized in manufacturing electrical components such as connectors, fasteners, fittings, adapters, threaded inserts and knurled connectors.