Item Specifications UPC 842176117966 Package Quantity 100 Size #4-40 x 5/8" Head Style Flat Counter Sink Angle 82 Degree Head Diameter 0.223" Head Height 0.078" Drive Style Allen Hex Key Drive Size 1/16" Inch / Metric Inch Thread Size #4-40 Thread Dia. 0.112" Thread Class Class 3A Coarse / Fine Coarse Threads Per Inch (TPI) 40 Thread Coverage Full Thread Length 5/8" Thread Length Dec. 0.542" Material Stainless Steel 18-8 Finish Plain Specification 1 ASME : B18.3 Tensile Strength 70,000 PSI Core Hardness Rockwell B70 Item Type Socket Screws Product Code 5150-8260 SKU ssfscs440058-100