Socket Set Screw Head Type Headless Point Type Cup System of Measurement Inch Thread Size 1/4 In.-20 Overall Length 5/16 in Drive Type Socket Drive Size 1/8 in Material Stainless Steel Material Grade/Class 18-8 Finish Plain Pack Size Small Pack Decimal Equivalent 0.013 in Dimensional Standards ASME B18.3 Head Height Not Applicable Maximum Head Height Not Applicable Maximum Point Diameter 0.132 in Minimum Head Height Not Applicable Minimum Point Diameter 0.118 in