Item Specifications UPC 842176193557 Package Quantity 100 Drive Style External Hex Drive Size 3/16" Inch / Metric Inch Thread Size #2-56 Thread Class Class 2B Coarse / Fine Coarse Threads Per Inch (TPI) 56 Height .066" 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 5150-15340 SKU 325040