Item Specifications UPC 842176138831 Package Quantity 100 Size #4-40 x 1/4" Head Style Oval Counter Sink Angle 82 Degree Head Diameter 0.212" Head Height 0.104" Drive Style Slotted Inch / Metric Inch Thread Size #4-40 Thread Dia. 0.112" Thread Class Class 2A Coarse / Fine Coarse Threads Per Inch (TPI) 40 Thread Coverage Full Thread Length 1/4" Thread Length Dec. 0.146" Material Stainless Steel 18-8 Finish Plain Specification 1 ASME : B18.6.3 Tensile Strength 80,000 PSI Core Hardness Rockwell B80 Item Type Machine Screws Product Code 5150-29660 SKU 3SSMSO04C004