Item Specifications UPC 842176138428 Package Quantity 100 Size #3-48 x 1/4" Head Style Flat Counter Sink Angle 82 Degree Head Diameter 0.226" Head Height 0.073" Drive Style Allen Hex Key Drive Size 1/16" Inch / Metric Inch Thread Size #3-48 Thread Dia. 0.099" Thread Class Class 3A Coarse / Fine Coarse Threads Per Inch (TPI) 48 Thread Coverage Full Thread Length 1/4" Thread Length Dec. 0.177" Material Alloy Steel Grade Grade 8 Finish Black Oxide Specification 1 ASME : B18.3 Tensile Strength 120,000 PSI Core Hardness Rockwell C32 Item Type Socket Screws Product Code 5150-9570 SKU 211014