Machine Screw, Head Type Flat, Material Steel, Finish Zinc-Plated, Drive Torx(R), Thread Size #10-24, Fastener Length 2 1/2 in, Head Width 0.385 in, Head Height 0.116 in, Drive Size T20, Dimensional Standards ASME B18.6.3, Pack Size Small, Minimum Thread Length Not Applicable, Type Machine Screw, Washer Outside Diameter Not Applicable, Washer Thickness Not Applicable, Maximum Head Width 25/64 in, Minimum Head Width Not Applicable, Maximum Head Height 7/64 in, Minimum Head Height Not Applicable