Item Specifications UPC 842176125305 Package Quantity 100 Drive Style External Hex Drive Size 1/4" Inch / Metric Inch Thread Size #4-40 Thread Class Class 2B Coarse / Fine Coarse Threads Per Inch (TPI) 40 Height 9/64" Material Stainless Steel 18-8 Finish Plain Item Type Nuts Nut Type Nylon Lock Nut Product Code 5150-15495 SKU 3SNLF004C