Item Specifications UPC 842176125091 Package Quantity 100 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 17/64" Material Stainless Steel 18-8 Finish Plain Item Type Nuts Nut Type Hex Nut Product Code 5150-7335 SKU 3SNFF905C