Hex Head Cap Screw Head Type Hex Diameter 3/4 In. Grade 9 Material Alloy Steel Finish Yellow Zinc Plated Thread Size 3/4-10 Thread Type Coarse Length under Head 2-1/4 In. Thread Length 1-3/4 In. Head Height 9/16 In. Head Width 1-1/8 In. Thread Style Partially Threaded Thread Direction Right Hand Proof Load 150 000 psi Tensile Strength 180 000 psi Rockwell Hardness C38 to C42 Meets/Exceeds ASME B18.2.1 ASTM F1941 FeZn5C Package Quantity 20