Item Specifications UPC 842176183947 Package Quantity 25 Size 1/4"-28 x 1/4" Head Style Socket Cap Head Diameter 3/8" Head Height 0.250" Drive Style Allen Hex Key Drive Size 3/16" Inch / Metric Inch Thread Size 1/4"-28 Thread Dia. 0.250" Thread Class Class 3A Coarse / Fine Fine Threads Per Inch (TPI) 28 Thread Coverage Full Thread Length 1/4" Material Stainless Steel 316 Finish Plain Tensile Strength 70,000 PSI Core Hardness Rockwell B70 Item Type Socket Screws Product Code 5150-27350 SKU 3TSCS94F004