New black rack screws in a 500 piece lot. 10-32 x .400, #2 phillips, indented 5/16" hex head, self tapping, Type C fine thread, harden plain lube, IH(+)cf. They make great rack screws for Pro Audio Equipment. Threads don't strip out like conventional soft steel rack screws that are usually longer than they need to be. Stock photos. Sold as-is with no returns.