Item Specifications UPC 842176138497 Package Quantity 50 Size #2-56 x 5/8" Head Style Flat Counter Sink Angle 82 Degree Head Diameter 0.197" Head Height 0.064" Drive Style Allen Hex Key Drive Size 5/64" Inch / Metric Inch Thread Size #2-56 Thread Dia. 0.086" Thread Class Class 3A Coarse / Fine Coarse Threads Per Inch (TPI) 56 Thread Coverage Full Thread Length 5/8" Thread Length Dec. 0.561" 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 5150-9535 SKU 721014