Machine Screw Head Type Pan Material 18-8 Stainless Steel Finish Plain Drive Phillips Thread Size 1/4 In.-28 Fastener Length 1 1/4 in Head Width 0.492 in Head Height 0.175 in Drive Size #3 Tensile Strength 60 000 psi Dimensional Standards ASME B18.6.3 Pack Size Small Type Standard Machine Screw Washer Outside Diameter Not Applicable Washer Thickness Not Applicable Maximum Head Width 0.492 in Minimum Head Width 0.492 in Maximum Head Height 0.175 in Minimum Head Height 0.175 in