ASTM A563 Grade A heavy hex nuts

TY-01-1-03

ASTM A563 Grade A heavy hex nuts
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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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