Item Specifications UPC 842176121550 Package Quantity 5 Size 1/2"-20 x 2-1/2" 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 2-1/2" Thread Length Dec. 2.5" Material Alloy Steel Grade Grade 8 Finish Black Oxide Specification 1 ASME : B18.3 Specification 2 ASTM : F835 Tensile Strength 120,000 PSI Core Hardness Rockwell C37 Item Type Socket Screws Product Code 5150-4915 SKU 701217
