Item Specifications UPC 842176173696 Package Quantity 50 Size #4-40 x 1-1/4" Head Style Flat Counter Sink Angle 82 Degree Head Diameter 0.212" Head Height 0.067" 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 1-1/4" Thread Length Dec. 1.183" Material Brass Finish Plain Specification 1 ASME : B18.6.3 Tensile Strength 50,000 PSI Core Hardness Rockwell B50 Item Type Machine Screws Product Code 5150-27575 SKU 3RSMSF04C104