ASTM A563 Grade A heavy hex nuts are made from carbon steel. Dimensional specifications are governed by ASME B18.2.2. Grade markings are not required for A563 Grade A heavy hex nuts, though in some cases Grade A nuts may be marked with the letter A. ASTM A563 covers standard specifications for carbon and alloy steel nuts. Heavy hex nuts provide increased bearing surface area over finished nuts.
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Description Manuals & PDFs 0 Reviews Lot of (30) heavy hex nuts. These A563 grade C structural nuts are 3/4-10 thread with a 1-1/4 hex. Package
(30) Structural Grade C Heavy Hex Nuts 3/4-10 Coarse Thread Plain ASTM A563
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