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Heavy Hex Nuts

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Heavy Hex Nuts are six-sided hex nuts that are thicker and wider across the flats than a same size diameter finished hex nut. ASTM A563 and ASTM A194 2-H heavy hex nuts are high strength nuts that are designed to be stronger than the bolts assembled with them. See the spec below for more information.

RC Fasteners & Components is your source for ASTM A563 and ASTM 194 2-H heavy hex nuts in import or USA made as well as in plain, RoHS compliant zinc, zinc yellow and hot dipped galvanized.