Item Specifications UPC 842176172880 Package Quantity 10 Size 5/8"-11 x 2-1/2" Head Style Hex Head Height 27/64" Drive Style External Hex Drive Size 15/16" Inch / Metric Inch Thread Size 5/8"-11 Thread Dia. 0.625" Thread Class Class 2A Coarse / Fine Coarse Threads Per Inch (TPI) 11 Thread Coverage Partial Thread Length 2-1/2" Thread Length Dec. 1.5" Material Steel Material Type Hot Dip Galvanized Steel Grade Grade 307A Finish Hot Dip Galvanized Specification 1 ASME : B18.2.1 Specification 2 ASTM : A307 Tensile Strength 60,000 PSI Core Hardness Rockwell B69 Item Type Bolts Product Code 5150-12580 SKU 3GBM910C0208