50 Grade 5 Hex Nuts Auveco 15590 Fully Certified For S.A.E. Auto Car Truck SUV50 Grade 5 Hex Nuts With the Zinc Plated Materials of the Grade 5 Hex Nuts you are sure to get a good quality product, That Is Universal and Can Be Used For Any Project That Matches Our Dimensions!! The Dimensions of the Grade 5 Hex Nuts : Thread Size : 1 2" 13 U. S. S Hex Width : 3 4" The Grade 5 Hex Nuts are finished U. S. S. (coarse) and S. A. E. (fine) Hex Nuts Fully Certified for S. A. E. J995 Standard Proof Load : 120,000 PSI C32 MAX Rockwell