Item Specifications UPC 842176169910 Package Quantity 100 Size #4-40 x 3/8" Head Style Round Head Diameter 0.211" Head Height 0.086" 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 3/8" Thread Length Dec. 0.375" 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 5150-28960 SKU 3RSMSR04C006