Socket Set Screw Head Type Square Point Type Cup System of Measurement Inch Thread Size 5/8 In.-11 Overall Length 3 1/2 in Drive Type External Square Drive Size 5/8 in Material Steel Finish Plain Pack Size Small Pack Dimensional Standards ASME B18.6.2 Head Height 0.485 in Head Width 5/8 in Maximum Head Height 0.485 in Maximum Head Width 0.625 in Maximum Temperature 302 Degrees F Minimum Head Height 0.452 in Minimum Head Width 0.606 in Minimum Temperature -58 Degrees F