Machine Screw Head Type Oval Material 18-8 Stainless Steel Finish Plain Drive Phillips Thread Size 1/4 In.-20 Fastener Length 1 1/4 in Head Width 0.477 in Head Height 0.232 in Drive Size #3 Tensile Strength 60 000 psi Dimensional Standards ASME B18.6.3 Pack Size Small Type Standard Machine Screw Maximum Head Width 0.477 in Minimum Head Width 0.442 in System of Measurement Inch Thread Type Coarse Package Quantity 50