Item Specifications UPC 842176124049 Package Quantity 100 Size #3-48 x 1/2" Head Style Button Head Diameter 0.188" Head Height 0.052" Drive Style Allen Hex Key Drive Size 1/16" Inch / Metric Inch Thread Size #3-48 Thread Dia. 0.099" Thread Class Class 3A Coarse / Fine Coarse Threads Per Inch (TPI) 48 Thread Coverage Full Thread Length 1/2" Thread Length Dec. 0.5" 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 5150-3665 SKU 201016