Machine Screws, Head Type Hex, Material Steel, Finish Zinc-Plated, Drive External Hex, Thread Size #10-24, Fastener Length 3 in, Head Width 0.313 in, Drive Size Not Applicable, Tensile Strength 60,900 psi, 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 5/16 in, Minimum Head Width Not Applicable, Maximum Head Height 1/8 in