Socket Set Screw Head Type Headless Point Type Cup System of Measurement Inch Thread Size 1/4 In.-28 Overall Length 5/16 in Drive Type Socket Drive Size 1/8 in Material Stainless Steel Material Grade/Class 300 Finish Plain Pack Size Small Pack Decimal Equivalent 0.125 in Dimensional Standards MS51023/FF-S-200 Head Height Not Applicable Head Width - Maximum Head Height Not Applicable Maximum Point Diameter 0.132 in Minimum Head Height Not Applicable