Item Specifications UPC 842176193595 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 .098" Material Steel Material Type Zinc Plated Steel Grade Grade 2 Finish Electro Zinc & Clear Specification 1 ASME : B18.2.2-2010 Item Type Nuts Nut Type Hex Nut Product Code 5150-15360 SKU 325080