Hex Head Cap Screw Head Type Hex Diameter 1/2 In. Grade 5 Material Steel Finish Plain Thread Size 1/2-13 Thread Type Coarse Length under Head 10 In. Thread Length 1-1/2 In. Head Height 5/16 In. Head Width 3/4 In. Thread Style Partially Threaded Thread Direction Right Hand Proof Load 74 000 to 85 000 psi Tensile Strength 105 000 to 120 000 psi Rockwell Hardness C19 to C30 Meets/Exceeds ASME B18.2.1 Package Quantity 5