Machine Screw, Head Type Button, Material Steel, Finish Zinc-Plated, Drive Torx(R), Thread Size #10-24, Fastener Length 2 1/2 in, Head Width 0.354 in, Head Height 0.096 in, Drive Size T25, 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 23/64 in, Minimum Head Width Not Applicable, Maximum Head Height 3/32 in, Minimum Head Height Not Applicable