Item Specifications UPC 842176171661 Package Quantity 10 Size 1/2"-13 x 5-1/2" Head Style Round Head Diameter 1.094" Head Height 0.270" Inch / Metric Inch Thread Size 1/2"-13 Thread Dia. 0.500" Thread Class Class 2A Coarse / Fine Coarse Threads Per Inch (TPI) 13 Thread Coverage Full Thread Length 5-1/2" Thread Length Dec. 5.5" 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 5150-6425 SKU 3GBC908C0508