Item Specifications UPC 842176115627 Package Quantity 5 Size 1/2"-20 x 7/8" Head Style Button Head Diameter 0.875" Head Height 0.265" Drive Style Allen Hex Key Drive Size 5/16" Inch / Metric Inch Thread Size 1/2"-20 Thread Dia. 0.500" Thread Class Class 3A Coarse / Fine Fine Threads Per Inch (TPI) 20 Thread Coverage Full Thread Length 7/8" Thread Length Dec. 0.875" 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 5150-3085 SKU ssbscs1220078-5