• Allied Bolt Suggest Best Practices/installations notes:

5/8"-11 HEAVY HEX STRUCTURAL NUT A563-C

    • for use with a325 plain finish bolts.
    • a six-sided internally threaded fastener which is both thicker and wider across the flats than a same-sized finished hex nut.
    • this is the strongest of all comparably graded nuts because of its greater length of thread engagement and greater resistance to dilation (widening or stretching).
    • grade c hex nuts have a rockwell hardness ranging from b78-c38.
    • grade c hex nuts offer a proof load of 144,000psi.
    • fully traceable certifications of chemical and physical compliance available by request.


Standard Packaging Information

Part # Description Pkg Qty Pkg Per Carton Carton Weight

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