Special Fasteners China. & Fastener offers nuts per ASTM F467 specification. This spec pertains to nonferrous nuts for general use. It covers the requirements for commercial wrought nonferrous nuts 0.250 to 1.500 in. inclusive in diameter in a number of alloys in common use and intended for general service applications. ASTM F467 includes nickel alloys such as Hastelloy, Inconel, and Monel, as well as several grades of titanium.