Item Specifications UPC 842176100852 Package Quantity 25 Size 5/16"-24 x 1-1/4" Head Style Hex Head Height 7/32" Drive Style External Hex Drive Size 1/2" Inch / Metric Inch Thread Size 5/16"-24 Thread Dia. 0.3125" Thread Class Class 2A Coarse / Fine Fine Threads Per Inch (TPI) 24 Thread Coverage Full Thread Length 1-1/4" Thread Length Dec. 1.25" Material Stainless Steel 18-8 Finish Plain Specification 1 ASME : B18.2.1 Tensile Strength 70,000 PSI Core Hardness Rockwell B70 Item Type Bolts Product Code 5150-11820 SKU 3SSC905F0104