Captive Panel Screw Head Type Knurled Finish Plain Material 18-8 Stainless Steel Drive Socket Thread Size 5/16 In.-18 Fastener Length 7/16 in Minimum Thread Length 3/8 in Head Width 0.469 in Head Height 0.312 in Drive Size 1/4 in System of Measurement Inch Head Style Round Overall Length 3/4 in Package Quantity 5