Item Specifications UPC 842176192826 Package Quantity 10 Drive Style External Hex Drive Size 15/16" Inch / Metric Inch Thread Size 5/8"-11 Thread Class Class 2B Coarse / Fine Coarse Threads Per Inch (TPI) 11 Height 35/64" Material Steel Material Type Zinc Plated Steel Grade Grade 5 Finish Electro Zinc & Clear Specification 1 ASME : B18.2.2-2010 Proof Load 120,000 psi Core Hardness Rockwell C32 max Item Type Nuts Nut Type Hex Nut Product Code 5150-7725 SKU 848062