Item Specifications UPC 842176144139 Package Quantity 100 Size #1-64 x 3/4" Head Style Button Head Diameter 0.129" Head Height 0.033" Drive Style Allen Hex Key Drive Size 0.05" Inch / Metric Inch Thread Size #1-64 Thread Dia. 0.073" Thread Class Class 3A Coarse / Fine Coarse Threads Per Inch (TPI) 64 Thread Coverage Full Thread Length 3/4" Thread Length Dec. 0.75" 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 5150-1880 SKU 702034