Machine Screw Head Type Flat Material Steel Finish Zinc Plated Drive Phillips Thread Size #12-24 Fastener Length 1 1/2 in Head Width 0.412 in Head Height 0.132 in Drive Size #3 Tensile Strength 60 000 psi Dimensional Standards ASME B18.6.3 Pack Size Small Minimum Thread Length Not Applicable Type Standard Machine Screw Washer Outside Diameter Not Applicable Washer Thickness Not Applicable Maximum Head Width 0.412 in Minimum Head Width 0.38 in Maximum Head Height 0.132 in