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Zinc Heavy Hex NutsHillman Item #170003
Hex nuts are for general use applications. Known as the most commonly used nut, they are often found in deck and fence building. Heavy hex nuts are larger and thicker than standard hex nuts, making them ideal for large diameter bolts. The call-out size is the inner diameter and the number of threads per inch, or thread pitch. These nuts are left threaded.
Threads Per Inch