Item Specifications UPC 842176177304 Package Quantity 25 Size 1/4"-20 x 1" 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 1" Thread Length Dec. 1" Material Stainless Steel 316 Finish Plain Specification 1 ASME : B18.3 Tensile Strength 70,000 PSI Core Hardness Rockwell B70 Item Type Socket Screws Product Code 5150-3325 SKU 3TSBS94C100