Item Specifications UPC 842176171821 Package Quantity 10 Size 5/8"-11 x 3-1/2" Head Style Round Head Diameter 1.344" Head Height 0.344" 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 Full Thread Length 3-1/2" Thread Length Dec. 3.5" Material Steel Material Type Hot Dip Galvanized Steel Grade Grade 307A Finish Hot Dip Galvanized Specification 1 ASTM : A307 Specification 2 ASTM : A153 Specification 3 ASME : B18.5 Tensile Strength 60,000 PSI Core Hardness Rockwell B69 Item Type Bolts Product Code 5150-6505 SKU 3GBC910C0308