Item Specifications UPC 842176192918 Package Quantity 1 Drive Style External Hex Drive Size 1-7/8" Inch / Metric Inch Thread Size 1-1/4"-7 Thread Class Class 2B Coarse / Fine Coarse Threads Per Inch (TPI) 7 Height 1-1/16" Material Steel Material Type Zinc Plated Steel Grade Grade 5 Finish Electro Zinc & Clear Specification 1 ASME : B18.2.2-2010 Proof Load 105,000 psi Core Hardness Rockwell C32 max Item Type Nuts Nut Type Hex Nut Product Code 5150-7770 SKU 848070