Item Specifications UPC 842176123820 Package Quantity 50 Size #5-40 x 1/4" Head Style Button Head Diameter 0.238" Head Height 0.066" Drive Style Allen Hex Key Drive Size 5/64" Inch / Metric Inch Thread Size #5-40 Thread Dia. 0.125" Thread Class Class 3A Coarse / Fine Coarse Threads Per Inch (TPI) 40 Thread Coverage Full Thread Length 1/4" Thread Length Dec. 0.25" 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 5150-3780 SKU 701034