Item Specifications UPC 842176116662 Package Quantity 10 Size 5/16"-24 x 2-1/2" Head Style Button Head Diameter 0.547" Head Height 0.166" Drive Style Allen Hex Key Drive Size 3/16" Inch / Metric Inch Thread Size 5/16"-24 Thread Dia. 0.3125" Thread Class Class 3A Coarse / Fine Fine Threads Per Inch (TPI) 24 Thread Coverage Full Thread Length 2-1/2" Thread Length Dec. 2.5" Material Stainless Steel 18-8 Finish Plain Specification 1 ASME : B18.3 Tensile Strength 70,000 PSI Core Hardness Rockwell B70 Item Type Socket Screws Product Code 5150-2845 SKU ssbscs51624212-10