Machine Screw, Head Type Hex, Material Steel, Finish Zinc Plated, Drive External Hex, Thread Size #12-24, Fastener Length 3/8 in, Head Width 0.313 in, Head Height 0.155 in, Drive Size 5/16 in, Tensile Strength 60,000 psi, Dimensional Standards ASME B18.6.3, Pack Size Small, Type Standard Machine Screw, Washer Thickness -, System of Measurement Inch, Thread Type Coarse, Package Quantity 100