Item Specifications UPC 842176138459 Package Quantity 25 Size #2-64 x 1/2" Head Style Flat Counter Sink Angle 82 Degree Head Diameter 0.197" Head Height 0.064" Drive Style Allen Hex Key Drive Size 0.05" Inch / Metric Inch Thread Size #2-64 Thread Dia. 0.086" Thread Class Class 3A Coarse / Fine Fine Threads Per Inch (TPI) 64 Thread Coverage Full Thread Length 1/2" Thread Length Dec. 0.436" Material Alloy Steel Grade Grade 8 Finish Black Oxide Specification 1 ASME : B18.3 Tensile Strength 120,000 PSI Core Hardness Rockwell C32 Item Type Socket Screws Product Code 5150-9555 SKU 721065