This machine screw hex nut is designed for use in general purpose applications. Nut Style / Machine Screw Nut System of Measurement / Inch Basic Material / Brass Material Grade / Not Graded Fastener Finish / Plain Fastener Thread Direction / Right Hand Dia./Thread Size / #6-32 Fastener Thread Type / UNC (Coarse) Width Across Flats / 5/16 in Nut Height / 7/64 in Nut Standards / ASME B18.6.3