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Aspen Fasteners
phone 1-800-479-0056 - fax 1-888-411-2841
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Square Nuts
Heavy Machine
Square Nuts - Heavy
Square Nuts - Machine
Regular
Square Nuts - Regular
"Square Nuts are used when larger bearing surface for wrenching is needed. They are also used with square head bolts. Heavy style are used with A307 Grade A
or Grade B bolts. Although they were much more commonly used in the past, they are still often used today when repairing older machinery."
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