Item Specifications UPC 842176164670 Package Quantity 5 Size 1/2"-20 x 3" Head Style Hex Head Height 11/32" Drive Style External Hex Drive Size 3/4" Inch / Metric Inch Thread Size 1/2"-20 Thread Dia. 0.500" Thread Class Class 2A Coarse / Fine Fine Threads Per Inch (TPI) 20 Thread Coverage Partial Thread Length 3" Thread Length Dec. 1.3" 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 5150-13515 SKU 3SSC908F0300