Socket Set Screw Head Type Square Point Type Cup System of Measurement Inch Thread Size 1 In.-8 Overall Length 3 in Drive Type External Square Drive Size 1 in Material Steel Finish Plain Pack Size Small Pack Dimensional Standards ASME B18.6.2 Head Height 0.774 in Head Width 1 in Maximum Head Height 0.774 in Maximum Head Width 1 in Maximum Temperature 302 Degrees F Minimum Head Height 0.726 in Minimum Head Width 0.974 in Minimum Temperature -58 Degrees F