Hex Head Cap Screw Head Type Hex Diameter 1-1/4 In. Material 18-8 Stainless Steel Thread Size 1-1/4-7 Thread Type Coarse Length under Head 6 In. Thread Length 2-3/4 In. Head Height 25/32 In. Thread Style Partially Threaded Thread Direction Right Hand Tensile Strength 85 000 to 150 000 psi Rockwell Hardness B80 to C32 Meets/Exceeds ASME B18.2.1