Heavy Hex Nuts

A heavy hex nut is a six-sided internally threaded fastener which is both thicker and wider across the flats than a same-sized finished hex nut. This is strongest of all comparably-graded nuts because of its greater length of thread engagement and greater resistance to dilation (widening or stretching). Grade 5 nuts are used with medium-carbon cap screws/bolts; Grade A nuts are used with low-carbon heavy hex bolts; Grade C nuts are recommended for use with A-325 structural bolts; Grade-2H nuts are recommended for use with bolts in high-pressure and high-temperature service. Grade-DH nuts are recommended for use with A-490, Type-1 structural bolts and Grade-DH3 nuts for use with A-90, Type 3 structural bolts; 18-8 stainless steel nuts are used with 18-8 stainless steel bolts. Available and ready-to-ship in a variety of sizes, finishes and coatings. Browse our selection of heavy hex nuts for your building projects and industrial applications.

Here at BW Industrial Sales, your satisfaction is our number one priority! If you have any questions about heavy hex nuts or any other manufacturing parts and tooling, please contact our experienced and qualified BW Industrial Sales staff; or call us at 626-358-1836 for an immediate response.
Request a quote on nuts specific to your application, or contact us for more information.  

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