Minerallac Grade 5 Hex Nut 1/2...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$42.86

Minerallac Grade 5 Hex Nut 1/2"-13 Zinc Plated Medium Carbon Steel, 100 Pack

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Model: 40225J

In Stock (leaves warehouse same day if ordered before 3pm ET)

$42.86
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Minerallac Grade 5 Hex Nut 3/8"-16 Medium Carbon Steel Zinc Plated Finished Hardware

Professional Grade Fastening Solution for High-Strength Applications

Minerallac Grade 5 Hex Nut delivers reliable fastening performance for bolts with tensile strength up to 120,000 PSI. This finished hex nut features medium carbon steel construction with zinc plated finish for enhanced corrosion resistance and professional appearance. The 3/8"-16 coarse thread configuration and right-handed thread direction ensure secure attachment in demanding applications.

Professional Features & Benefits

  • Grade 5 Rating: Engineered for high-strength applications with bolts up to 120,000 PSI tensile strength, ensuring reliable performance under demanding loads.
  • Medium Carbon Steel Construction: Provides superior strength and durability compared to standard steel fasteners for long-lasting service life.
  • Zinc Plated Finish: Delivers enhanced corrosion resistance and professional silver appearance for both indoor and outdoor applications.
  • Finished Hex Nut Design: Precision-manufactured hex configuration provides optimal wrench engagement and torque transfer for secure installation.
  • 3/8"-16 Coarse Thread: Standard coarse thread pitch offers reliable engagement and holding power in a wide range of materials.
  • Right-Handed Thread Direction: Standard threading ensures compatibility with conventional fastening systems and installation practices.

Technical Specifications

  • Country Of Origin: China
  • Grade: Grade 5
  • Material Of Construction: Medium Carbon Steel
  • Nut Type: Finished Hex Nut
  • Product Color: Silver
  • Product Finish: Zinc Plated
  • Product Size: 8-Mar
  • Product Type: Hex Nut
  • Product Width: 0.562 in
  • Thickness: 0.337
  • Thread Direction: Right-Handed
  • Thread Size: 16
  • Thread Type: Coarse

Professional Applications

  • Structural Steel Construction and Assembly
  • Heavy Equipment and Machinery Fastening
  • Automotive and Transportation Applications
  • Industrial Equipment Installation
  • Construction and Building Systems
  • Maintenance and Repair Operations
  • Professional Fabrication Projects

Why Choose Minerallac Quality?

Minerallac hex nuts deliver consistent performance through precision manufacturing and quality materials. The Grade 5 rating and medium carbon steel construction ensure reliable service in professional applications, while the zinc plated finish provides long-term corrosion resistance for lasting value.

Manufacturer Resources

Product Specs

Department:
Electrical
Product Finish:
Zinc Plated
Product Color:
Silver
Thread Type:
Coarse
Product Type:
Hex Nut
Product Subgroup:
Hex Bolts & Nuts
Product Group:
Hangers, Supports & Fasteners

Minerallac 40225J – Frequently Asked Questions

1) Will a Grade 5 hex nut hold up against a Grade 5 bolt without stripping?
Yes. These Minerallac nuts are rated Grade 5, matched to bolts with tensile strength up to 120,000 PSI, so the nut is not the weak link in a Grade 5 joint. Medium carbon steel gives the thread enough strength to take full torque on the bolt instead of galling or stripping the way a low-carbon hex nut can.
2) Are these hex nuts coarse or fine thread, and do they take a standard right-hand turn?
Coarse thread, right-hand. That means they thread onto standard UNC bolts and rod, tightening clockwise, no reverse-thread surprises on a maintenance job.
3) Can zinc plated hex nuts be used outdoors or in a damp mechanical room?
The zinc plating gives corrosion resistance for both indoor and outdoor use, so they are fine for exterior equipment mounting, damp plant rooms, and general construction exposure. For continuous saltwater or chemical immersion, zinc plating is not the finish to reach for; that calls for hot-dip galvanized or stainless.
4) Is this a finished hex nut or a heavy hex nut?
Finished hex nut. The across-flats size is the standard machine-bolt pattern, so a normal SAE wrench or socket for that bolt size fits, and the nut sits within a standard washer footprint. If your drawing calls out a heavy hex nut for structural bolting, that is a larger, thicker nut and this is not a substitute for it.
5) Are these hex nuts suitable for electrical strut and equipment mounting work?
Yes, that is the intended use. Minerallac sells them into electrical and construction trades for fastening equipment, strut hardware, and machinery, plus general MRO and fabrication. Match the nut size to the rod or bolt diameter you are running and keep the thread series coarse.
6) What color are Minerallac zinc plated hex nuts, for matching existing hardware on a job?
Bright silver, from the zinc plating. They blend with other zinc plated fasteners and strut hardware already on the job rather than standing out the way a black oxide or hot-dip galvanized nut would.
How fast can I get the Minerallac 40225J delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Minerallac 40225J come with a warranty?
Absolutely. The Minerallac 40225J is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Minerallac 40225J?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Minerallac 40225J from ZenSupply?
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