Item Specifications UPC 842176192956 Package Quantity 1 Drive Style External Hex Drive Size 2-5/8" Inch / Metric Inch Thread Size 1-3/4"-5 Thread Class Class 2B Coarse / Fine Coarse Threads Per Inch (TPI) 5 Height 1-1/2" 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 5150-7790 SKU 848073