Since 1960, Excello Tool Engineering & Manufacturing Co. has been offering precision machining services to a wide variety of industries in the United States. The company specializes in computer numerical control (CNC) milling/turning of intricate, close tolerance components and assemblies. Located in Milford, Conn., Excello Tool Engineering & Manufacturing Co. also offers services, such as CNC machining, tooling and prototypes and quality control. The company provides an array of products that include flange channel post/ID driver heads, O.D. drivers and safe hits, among others.