Machine Screw, Head Type Flat, Material Steel, Finish Zinc Plated, Drive Slotted, Thread Size #6-32, Fastener Length 2 1/4 in, Head Width 0.238 in, System of Measurement Inch, Thread Type Coarse, Package Quantity 100.083 in, Tensile Strength 60,000 psi, Dimensional Standards ASME B18.