Item Specifications UPC 842176116341 Package Quantity 100 Size #4-40 x 1" Head Style Button Head Diameter 0.213" Head Height 0.059" 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 1" Thread Length Dec. 1" 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 5150-2050 SKU ssbscs440100-100