Item Specifications UPC 842176172620 Package Quantity 10 Size 1/2"-13 x 3" Head Style Hex Head Height 11/32" Drive Style External Hex Drive Size 3/4" 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 Partial Thread Length 3" Thread Length Dec. 1.25" 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 5150-12450 SKU 3GBM908C0300