Item Specifications UPC 842176121918 Package Quantity 25 Size 3/8"-24 x 5/8" Head Style Button Head Diameter 0.656" Head Height 0.199" Drive Style Allen Hex Key Drive Size 7/32" Inch / Metric Inch Thread Size 3/8"-24 Thread Dia. 0.375" Thread Class Class 3A Coarse / Fine Fine Threads Per Inch (TPI) 24 Thread Coverage Full Thread Length 5/8" Thread Length Dec. 0.625" 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 5150-4735 SKU 201181