Hex Lag Screw Material 18-8 Stainless Steel Finish Plain Screw Size 1/4 in Fastener Length 2 in Dimensional Standards ASME B18.2.1 Pack Size Bulk System of Measurement Inch Drive External Hex Drive Size 7/16 in Head Height 0.172 in Head Style Hex Head Width 0.438 in Package Quantity 800