R.F. Mau Company, located in Illinois just north of Chicago, is a manufacturer of custom and standard Brass, Aluminum and Specialty Copper alloy precision production parts, automatic screw machine products & parts. At R.F. Mau we are dedicated to providing our customers with quality brass screw machined component parts. The brass fittings produced on our late model New Britain, Euroturn, and Tornos Bechler high volume production machines will always live up to our mission statement, "There is no substitute for Quality."