Item Specifications UPC 842176163055 Package Quantity 25 Drive Style External Hex Drive Size 1/2" Inch / Metric Inch Thread Size 5/16"-18 Thread Class Class 2B Coarse / Fine Coarse Threads Per Inch (TPI) 18 Height 1/4" Material Stainless Steel 18-8 Finish Plain Item Type Nuts Nut Type Jam Nut Product Code 5150-36630 SKU 3SNLT905C