Item Specifications UPC 842176125626 Package Quantity 25 Drive Style External Hex Drive Size 9/16" Inch / Metric Inch Thread Size 3/8"-16 Thread Class Class 2B Coarse / Fine Coarse Threads Per Inch (TPI) 16 Height 21/64" Material Brass Finish Plain Item Type Nuts Nut Type Hex Nut Product Code 5150-7455 SKU 3RNFF906C