Hex Nuts

Manufacturer, Exporter & Supplier of Hex Nut

Hex Nuts

The largest manufacturer of premium hex nuts that satisfy several international standards, such as DIN, ASTM, ISO, and BS, is GIC Fasteners. Our wide assortment of products is made to meet a variety of industrial requirements while adhering to the strictest guidelines. Whether you need hex nuts that meet DIN or other international standards, our well-made products provide outstanding dependability and performance. For all of your hex nut needs, choose GIC Fasteners and take advantage of our dedication to excellence and quality.

Here at GIC Fasteners, we specialize in producing premium hex nuts that are made to withstand the exacting requirements of a range of industries. Because they are made of sturdy materials, these hex nuts offer remarkable strength and dependability in every situation. Our wide selection of hex nuts is made to meet your projects perfectly, regardless of whether you require conventional sizes or unique specs. Our dedication to accuracy and quality makes us a reliable partner for all of your fastening requirements.

When you work with GIC Fasteners on your upcoming project, you’ll notice a difference in dependability and performance. With bulk purchases and custom solutions, our committed team is prepared to help you and make sure you have the precise hex nuts needed for your needs. Make no quality compromises—select GIC Fasteners for top-notch goods and first-rate support. Get in touch with us at sales@gicfasteners.com to discuss your needs and obtain a price that is customized for you.

Hex Nuts Specifications​

Standard : DIN, ASTM, BS, ISO, JIS, IS, GB, IS 4190 and all other International Standards
Length : 3 mm to 200 mm
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Threads: : BSF, UNF METRIC, UNC, BSW or as required
Finish : Plain, black, zinc plated (Cr,3+), zinc plated(Cr,6+), hot dipped galvanized, dacromet, nickel plated, cadmium plated, etc.
Forming : Hot & Cold Forged
Variants : Fully Threaded Hex Nuts, Partial Threaded Hex Nuts, Metric Hex Nuts, Imperial Hex Nuts
Coatings : PTFE (Teflon), Hot Dip Galvanizing, Aluminum Zinc Flake, Zinc Phosphating, Manganese Phosphating, Metallic Zinc, Nickel Bolts Plating, Chrome Plating, Cadmium Plating, Silver Plating, Tin Plating

Hex Nuts Dimension Chart

Hex Nuts Dimensions
Hex Nut Dimensions (ANSI/ASME B18.2.2)

Nominal or Basic Major Diameter of Thread

Width Across Flats (F)

Width Across Corners (G) Thickness of Hex Nuts (H) 
Basic Max Min  Max  Min Basic  Max Min 
1/4 0.2500 7/16 .438 .428 .505 .488 7/32 0.226 0.212
5/16 0.3125 1/2 .500 .489 .577 .557 17/64 0.273 0.258
3/8 0.3750 9/16 .562 .551 .650 .628 21/64 0.337 0.320
7/16 0.4375 11/16 .688 .675 .794 .768 3/8 0.385 0.365
1/2 0.5000 3/4 .750 .736 .866 .840 7/16 0.448 0.427
9/16 0.5625 7/8 .875 .861 1.010 .982 31/64 0.496 0.473
5/8 0.6250 15/16 .938 .922 1.083 1.051 35/64 0.559 0.535
3/4 0.7500 1-1/8 1.125 1.088 1.299 1.240 41/64 0.665 0.617
7/8 0.8750 1-5/16 1.312 1.269 1.516 1.447 3/4 0.776 0.724
1 1.0000 1-1/2 1.500 1.450 1.732 1.653 55/64 0.887 0.831
1-1/8 1.1250 1-11/16 1.688 1.631 1.949 1.859 31/32 0.999 0.939
1-1/4 1.2500 1-7/8 1.875 1.812 2.165 2.066 1-1/16 1.094 1.030
1-3/8 1.3750 2-1/16 2.062 1.994 2.382 2.273 1-11/64 1.206 1.138
1-1/2 1.5000 2-1/4 2.250 2.175 2.598 2.480 1-9/32 1.317 1.245
1-5/8 1.6250 2-7/16 2.438 2.356 2.815 2.686 1-25/64 1.429 1.353
1-3/4 1.7500 2-5/8 2.625 2.538 3.031 2.893 1-1/2 1.540 1.460
2 2.000  3 3.000 2.900 3.464 3.306 1-23/32 1.763 1.675
2-1/4 2.2500 3-3/8 3.375 3.263 3.897 3.719 1-15/16 1.986 1.890
2-1/2 2.5000 3-3/4 3.750 3.625 4.330 4.133 2-5/32 2.209 2.105
2-3/4 2.7500 4-1/8 4.125 3.988 4.763 4.456 2-3/8 2.431 2.319
3 3.000 4-1/2 4.500 4.350 5.196 4.959 2-19/32 2.654 2.534

Stainless Steel Hex Nuts - Grades

  • Stainless Steel 304 Hex Nuts
  • Stainless Steel 304L Hex Nuts
  • Stainless Steel 304H Hex Nuts
  • Stainless Steel 310 Hex Nuts
  • Stainless Steel 310S Hex Nuts
  • Stainless Steel 310H Hex Nuts
  • Stainless Steel 316 Hex Nuts
  • Stainless Steel 316L Hex Nuts
  • Stainless Steel 316Ti Hex Nuts
  • Stainless Steel 317 Hex Nuts
  • Stainless Steel 317L Hex Nuts
  • Stainless Steel 321 Hex Nuts
  • Stainless Steel 321H Hex Nuts
  • Stainless Steel 347 Hex Nuts
  • Stainless Steel 347H Hex Nuts
  • Stainless Steel 904L Hex Nuts
  • Stainless Steel 410 Hex Nuts
  • Stainless Steel 446 Hex Nuts
  • SMO 254 Hex Nuts
  • 17-4 PH Stainless Steel Hex Nuts

Grades of Nickel Alloys Hex Nuts

  • Inconel 600 Hex Nuts
  • Inconel 601 Hex Nuts
  • Inconel 625 Hex Nuts
  • Inconel 718 Hex Nuts
  • Incoloy 800 Hex Nuts
  • Incoloy 825 Hex Nuts
  • Monel 400 Hex Nuts
  • Monel K500 Hex Nuts
  • Nickel 200 Hex Nuts
  • Nickel 201 Hex Nuts
  • Hastelloy C276 Hex Nuts
  • Hastelloy C22 Hex Nuts
  • Hastelloy B2 Hex Nuts
  • Hastelloy B3 Hex Nuts
  • Hastelloy X Hex Nuts

Duplex Steel Hex Nuts- Grades

  • UNS S32205 Hex Nuts
  • UNS S31803 Hex Nuts

Super Duplex Steel Hex Nuts - Grades

  • UNS S32750 Hex Nuts
  • UNS S32760 Hex Nuts

Inconel/Incoloy Hex Nuts - Grades

  • Inconel 600 Hex Nuts
  • Inconel 601 Hex Nuts
  • Inconel 625 Hex Nuts
  • Inconel 718 Hex Nuts
  • Incoloy 800 Hex Nuts
  • Incoloy 825 Hex Nuts

Monel Hex Nuts - Grades

  • Monel 400 Hex Nuts
  • Monel K500 Hex Nuts

Nickel Hex Nuts - Grades

  • Nickel 200 Hex Nuts
  • Nickel 201 Hex Nuts

Hastelloy Hex Nuts - Grades

  • Hastelloy C276 Hex Nuts
  • Hastelloy C22 Hex Nuts
  • Hastelloy B2 Hex Nuts
  • Hastelloy B3 Hex Nuts
  • Hastelloy X Hex Nuts

Titanium Hex Nuts - Grades

  • Titanium Grade 2 Hex Nuts
  • Titanium Grade 5 Hex Nuts

Tantalum Hex Nuts- Grades

  • UNS R05200 Hex Nuts
  • UNS R05252 Hex Nuts
  • UNS R05255 Hex Nuts
  • UNS R05400 Hex Nuts

Cupro Nickel Hex Nuts - Grades

  • CuNi 90/10 Hex Nuts
  • CuNi 70/30 Hex Nuts

Copper Hex Nuts - Grades

  • UNS C11000 Hex Nuts
  • UNS C10100 Hex Nuts
  • UNS C10200 Hex Nuts
  • UNS C12000 Hex Nuts
  • UNS C12200 Hex Nuts

Carbon Steel Hex Nuts - Grades

  • Carbon Steel AISI 1018 Hex Nuts
  • Carbon Steel AISI 1020 Hex Nuts
  • Carbon Steel AISI 1040 Hex Nuts
  • Carbon Steel AISI 1045 Hex Nuts

Alloy Steel Hex Nuts - Grades

  • Alloy Steel 4130 Hex Nuts
  • Alloy Steel 4140 Hex Nuts
  • Alloy Steel 4340 Hex Nuts
  • Alloy Steel 8620 Hex Nuts
  • ASTM A193 Alloy Steel Gr B7 Hex Nuts
  • ASTM A193 Alloy Steel Gr B7M Hex Nuts
  • ASTM A320 Alloy Steel Gr L7 Hex Nuts
  • ASTM A320 Alloy Steel Gr L7M Hex Nuts
  • ASTM A320 Alloy Steel Gr L43 Hex Nuts
  • ASTM A320 Alloy Steel Gr L43 Hex Nuts
  • ISO 898-1 Alloy Steel Gr 8.8 Hex Nuts
  • ISO 898-1 Alloy Steel Gr 10.9 Hex Nuts
  • ISO 898-1 Alloy Steel Gr 12.9 Hex Nuts

Brass Hex Nuts - Grades

  • UNS C21000 Hex Nuts
  • UNS C22000 Hex Nuts
  • UNS C22600 Hex Nuts
  • UNS C23000 Hex Nuts
  • UNS C24000 Hex Nuts
  • UNS C26000 Hex Nuts
  • UNS C26800 Hex Nuts
  • UNS C27000 Hex Nuts
  • UNS C27200 Hex Nuts
  • UNS C28000 Hex Nuts
  • UNS C33000 Hex Nuts
  • UNS C33500 Hex Nuts
  • UNS C34000 Hex Nuts
  • UNS C34200 Hex Nuts
  • UNS C35300 Hex Nuts
  • UNS C35600 Hex Nuts

Aluminium Hex Nuts - Grades

  • Aluminium Alloy 1050 Hex Nuts
  • Aluminium Alloy 1060 Hex Nuts
  • Aluminium Alloy 1060 Hex Nuts
  • Aluminium Alloy 1070 Hex Nuts
  • Aluminium Alloy 1080 Hex Nuts
  • Aluminium Alloy 1100 Hex Nuts
  • Aluminium Alloy 1145 Hex Nuts
  • Aluminium Alloy 2011 Hex Nuts
  • Aluminium Alloy 2014 Hex Nuts
  • Aluminium Alloy 2017 Hex Nuts
  • Aluminium Alloy 2024 Hex Nuts
  • Aluminium Alloy 2090 Hex Nuts
  • Aluminium Alloy 3003 Hex Nuts
  • Aluminium Alloy 5052 Hex Nuts
  • Aluminium Alloy 5083 Hex Nuts
  • Aluminium Alloy 6061 Hex Nuts
  • Aluminium Alloy 6063 Hex Nuts
  • Aluminium Alloy 6066 Hex Nuts
  • Aluminium Alloy 6082 Hex Nuts
  • Aluminium Alloy 7050 Hex Nuts
  • Aluminium Alloy 7075 Hex Nuts

Zirconium Hex Nuts - Grades

  • UNS R60700 Hex Nuts
  • UNS R60702 Hex Nuts
  • UNS R60704 Hex Nuts
  • UNS R60705 Hex Nuts
  • UNS R60706 Hex Nuts

Beryllium Copper Hex Nuts - Grades

  • UNS C17200 Hex Nuts
  • UNS C17300 Hex Nuts
  • UNS C17500 Hex Nuts
  • UNS C17510 Hex Nuts

Phosphor Bronze Hex Nuts - Grades

  • UNS C51000 Hex Nuts
  • UNS C51900 Hex Nuts
  • UNS C52100 Hex Nuts
  • UNS C54400 Hex Nuts

Silicon Bronze Hex Nuts - Grades

  • UNS C65100 Hex Nuts
  • UNS C65500 Hex Nuts
  • UNS C66100 Hex Nuts

Characteristics of Hex Nuts

  • Durable Construction: Hex nuts are made from high-quality materials, ensuring long-lasting durability and resistance to wear and tear.
  • Hexagonal Shape: Hex nuts have a six-sided, hexagonal shape, providing a firm grip and easy installation with a wrench or socket.
  • Internal Threads: Hex nuts feature internal threads that allow them to be securely fastened onto external threads of bolts, screws, or studs.
  • Versatility: They come in various sizes and materials, making them suitable for a wide range of applications in different industries.
  • Standard Sizing: Hex nuts are available in standard sizes, ensuring compatibility with bolts and screws manufactured according to international standards.
  • Secure Fastening: Their hexagonal shape provides a larger contact area, ensuring a stable and secure connection, making them ideal for heavy-duty applications.

Applications of Hex Nuts

Application Description
Construction Hex nuts are extensively used in construction for securing bolts, ensuring stability and durability in various structures and buildings.
Automotive In the automotive industry, hex nuts are essential for assembling components, providing a reliable connection in engines, chassis, and other parts.
Industrial Machinery Hex nuts find applications in industrial machinery, ensuring secure fastening in manufacturing setups, optimizing the performance of equipment.
Electronics Hex nuts are used in electronics manufacturing, providing stable connections in devices and equipment, contributing to the overall reliability of electronic systems.
Plumbing In plumbing applications, hex nuts are utilized for connecting pipes and fittings, ensuring leak-free joints and the efficient flow of fluids in plumbing systems.
Aerospace Hex nuts play a crucial role in aerospace engineering, providing secure fastening in aircraft assemblies, ensuring safety and reliability in aviation.
Renewable Energy Hex nuts are used in renewable energy projects such as wind turbines and solar panel installations, providing reliable connections in sustainable energy systems.
Marine Due to their corrosion-resistant properties, hex nuts are vital in marine applications, securing components in ships and offshore structures, enduring harsh maritime conditions.
Heavy Equipment Hex nuts are used in heavy machinery and equipment, ensuring the stability of components in construction, mining, and agricultural machinery.

Wide Range of Quality Products

Explore our comprehensive range of products, ensuring you find the perfect solution for your specific requirements.


Competitive Pricing and Cost Savings

Save money without compromising on quality, thanks to our competitive prices and cost-effective options.


Exceptional Customer Service

Personalized assistance, prompt responses, and a commitment to meeting your needs, making your purchase process seamless.

Send us your Requirement for Hex Nuts

We can assure you one of best prices in the Industry. We respond to all enquiries with in 4-8 hours on all business days. Send us your requirement on info@gicfasteners.com

Hex Nuts - FAQs

The hexagonal shape of Hex Nuts provides multiple flat sides, allowing for easy gripping and tightening with a wrench. This design ensures a secure and stable fastening, making them a popular choice in various industries.

While Hex Nuts are widely used, it's crucial to match them with compatible bolts. The threads of the Hex Nut must align perfectly with the threads of the bolt for a secure fit. Interchanging nuts without ensuring compatibility can compromise the connection's integrity.

Yes, Hex Nuts are suitable for high-pressure applications, especially when made from durable materials like stainless steel or alloys. These nuts provide strong and reliable fastening, ensuring the safety and integrity of pressurized systems.

Hex Nuts are manufactured from various materials, including steel, stainless steel, brass, and nylon. Each material offers unique properties, such as corrosion resistance and strength. The choice of material depends on the specific application requirements.

In applications where vibration might cause loosening, additional locking mechanisms such as nylon inserts or flanged Hex Nuts can be used. These mechanisms enhance grip and prevent unintentional loosening, providing extra security in critical connections.

Hex Nuts and Jam Nuts both serve fastening purposes, but Jam Nuts are thinner than standard Hex Nuts. They are used as a secondary nut to secure the primary Hex Nut in place, preventing it from loosening due to vibrations or other factors.

Yes, Hex Nuts made from materials like stainless steel are resistant to corrosion, making them suitable for outdoor applications. They withstand exposure to moisture and harsh weather conditions, ensuring long-lasting performance in outdoor settings.

Hex Nuts come in a wide range of sizes, typically measured based on the diameter and thread pitch. Standard sizes are available to fit various bolts and screws, ensuring compatibility with a diverse array of applications.

Hex Nuts can be reusable if they are undamaged and the threads are in good condition after removal. Thorough inspection is necessary to ensure there is no wear or deformation, guaranteeing the integrity of the connection upon reuse.

Hex Nuts - Export Destination

Hex Nuts Supplier in North America
Antigua and Barbuda, Bahamas, Barbados, Belize, Canada, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, United States.
Hex Nuts Supplier in South America
Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Falkland Islands, French Guiana, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela.
Hex Nuts Supplier in Europe
Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Czech Republic (Czechia), Denmark, Estonia, Finland, France, Germany, Greece, Holy See, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Ukraine, United Kingdom.
Hex Nuts Supplier in Asia
Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, Cyprus, Georgia, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Laos, Lebanon, Malaysia, Maldives, Mongolia, Myanmar, Nepal, Oman, Pakistan, Palestine, Philippines, Qatar, Saudi Arabia, Singapore, South Korea, Sri Lanka, State of Palestine, Syria, Taiwan, Tajikistan, Thailand, Timor-Leste, Turkey, Turkmenistan, United Arab Emirates, Uzbekistan, Vietnam, Yemen.
Hex Nuts Supplier in Australia
Australia, Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, New Zealand, Palau, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuatu.