Item Specifications UPC 842176136899 Package Quantity 25 Size 1/4"-20 x 2-1/4" Head Style Flat Counter Sink Angle 82 Degree Head Diameter 0.531" Head Height 0.161" Drive Style Allen Hex Key Drive Size 5/32" Inch / Metric Inch Thread Size 1/4"-20 Thread Dia. 0.250" Thread Class Class 3A Coarse / Fine Coarse Threads Per Inch (TPI) 20 Thread Coverage Partial Thread Length 2-1/4" Thread Length Dec. 1.1" 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 5150-10300 SKU 721144
