Socket Set Screw Head Type Headless Point Type Flat System of Measurement Inch Thread Size 5/16 In.-18 Overall Length 1/2 in Fastener Length 1/2 in Drive Type Socket Drive Size 5/32 in Material Nylon Finish Plain Pack Size Small Pack Decimal Equivalent 0.312 in Head Height Not Applicable Head Width 5/16 in Maximum Head Height Not Applicable Maximum Temperature 185 Degrees F Minimum Head Height Not Applicable Minimum Temperature -40 Degrees F Package Quantity 10