Hex Head Cap Screw Head Type Hex Diameter 3/8 In. Grade B7 Material Alloy Steel Finish Plain Thread Size 3/8-16 Thread Type Coarse Length under Head 3-1/2 In. Thread Length 1 In. Head Height 15/64 In. Head Width 9/16 In. Thread Style Partially Threaded Thread Direction Right Hand Tensile Strength 125 000 psi Rockwell Hardness C35 Meets/Exceeds ASME B18.2.1 ASTM A193 Package Quantity 10