Item Specifications UPC 842176164922 Package Quantity 1 Size 5/8"-18 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"-18 Thread Dia. 0.625" Thread Class Class 2A Coarse / Fine Fine Threads Per Inch (TPI) 18 Thread Coverage Partial Thread Length 2-1/2" Thread Length Dec. 1.75" Material Stainless Steel 18-8 Finish Plain Specification 1 ASME : B18.2.1 Tensile Strength 70,000 PSI Core Hardness Rockwell B70 Item Type Bolts Product Code 5150-13640 SKU 3SSC910F0208