Item Specifications UPC 842176122731 Package Quantity 50 Size 1/4"-20 x 3/4" Head Style Button Head Diameter 0.437" Head Height 0.132" 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 Full Thread Length 3/4" Thread Length Dec. 0.75" Material Alloy Steel Grade Grade 8 Finish Black Oxide Specification 1 ASME : B18.3 Specification 2 ASTM : F835 Tensile Strength 120,000 PSI Core Hardness Rockwell C37 Item Type Socket Screws Product Code 5150-4325 SKU 201099
