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Greetings from GIC Fasteners, your reliable source for heavy hex nuts made to the best standards in the business. Numerous international standards, such as DIN, ASTM, ISO, BS, and comparable requirements, are met by our wide selection of goods. We provide a wide range of nuts to suit your specific requirements, whether you need them for industrial assembly, equipment, or structural applications. Our hefty hex nuts are designed with an emphasis on quality assurance and precise engineering to provide exceptional performance and dependability in even the most demanding settings. At GIC Fasteners, we're dedicated to giving our clients superior goods that go above and beyond their expectations.
Are you looking for heavy hex nuts for your industrial projects that will provide strength and longevity? You need look no farther for premium fasteners than GIC Fasteners, your one-stop shop. With our vast knowledge and dedication to quality, we are experts in producing heavy hex nuts that adhere to the strictest requirements set by the industry. Our precisely crafted and meticulously designed nuts are built to endure even the most demanding circumstances, guaranteeing dependable functionality and enduring robustness.
At GIC Fasteners, client satisfaction is our top priority. For this reason, we provide an extensive selection of heavy hex nuts that are made to fit a variety of uses. Whether you work in manufacturing, construction, or the automotive industry, our finely made nuts offer the dependability and security you want. Are you prepared to see the impact that GIC Fasteners can make? Reach out to us at sales@gicfasteners.com to discuss your needs and find out how our superior quality products may help you achieve more success with your projects.
| 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 Heavy Hex Nuts, Partial Threaded Heavy Hex Nuts, Metric Heavy Hex Nuts, Imperial Heavy 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 |
|
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 | 1/2 | .500 | .488 | .577 | .556 | 15/64 | 0.250 | 0.218 |
| 5/16 | 0.3125 | 9/16 | .562 | .546 | .650 | .622 | 19/64 | 0.314 | 0.280 |
| 3/8 | 0.3750 | 11/16 | .688 | .669 | .794 | .763 | 23/64 | 0.377 | 0.341 |
| 7/16 | 0.4375 | 3/4 | .750 | .728 | .866 | .830 | 27/64 | 0.441 | 0.403 |
| 1/2 | 0.5000 | 7/8 | .875 | .850 | 1.010 | .969 | 31/64 | 0.504 | 0.464 |
| 9/16 | 0.5625 | 15/16 | .938 | .909 | 1.083 | 1.037 | 35/64 | 0.568 | 0.526 |
| 5/8 | 0.6250 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 39/64 | 0.631 | 0.587 |
| 3/4 | 0.7500 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.382 | 47/64 | 0.758 | 0.710 |
| 7/8 | 0.8750 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 55/64 | 0.885 | 0.833 |
| 1 | 1.0000 | 1-5/8 | 1.625 | 1.575 | 1.876 | 1.796 | 63/64 | 1.012 | 0.956 |
| 1-1/8 | 1.1250 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 1-7/64 | 1.139 | 1.079 |
| 1-1/4 | 1.2500 | 2 | 2.000 | 1.938 | 2.309 | 2.209 | 1-7/32 | 1.251 | 1.187 |
| 1-3/8 | 1.3750 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 1-11/32 | 1.378 | 1.310 |
| 1-1/2 | 1.5000 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1-15/32 | 1.505 | 1.433 |
| 1-5/8 | 1.6250 | 2-9/16 | 2.562 | 2.481 | 2.959 | 2.828 | 1-19/32 | 1.632 | 1.556 |
| 1-3/4 | 1.7500 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-23/32 | 1.759 | 1.679 |
| 2 | 2.000 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-31/32 | 2.013 | 1.925 |
| 2-1/4 | 2.2500 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 2-13/64 | 2.251 | 2.155 |
| 2-1/2 | 2.5000 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 2-29/64 | 2.505 | 2.401 |
| 2-3/4 | 2.7500 | 4-1/4 | 4.250 | 4.112 | 4.907 | 4.688 | 2-45/64 | 2.759 | 2.647 |
| 3 | 3.000 | 4-5/8 | 4.625 | 4.475 | 5.340 | 5.102 | 2-61/64 | 3.013 | 2.893 |
| 3-1/4 | 3.2500 | 5 | 5.000 | 4.838 | 5.774 | 5.515 | 3-3/16 | 3.252 | 3.124 |
| 3-1/2 | 3.5000 | 5-3/8 | 5.375 | 5.200 | 6.207 | 5.928 | 3-7/16 | 3.506 | 3.370 |
| 3-3/4 | 3.7500 | 5-3/4 | 5.750 | 5.562 | 6.640 | 6.341 | 3-11/16 | 3.760 | 3.616 |
| 4 | 4.0000 | 6-1/8 | 6.125 | 5.925 | 7.073 | 6.755 | 3-15/16 | 4.014 | 3.862 |
Size |
Finished Hex |
Heavy Hex |
Finished Jam |
Heavy Hex Jam |
Square |
Heavy Square |
|---|---|---|---|---|---|---|
1/2" |
3.750 |
6.540 |
2.620 |
4.000 |
5.780 |
7.870 |
5/8" |
7.330 |
11.900 |
4.930 |
6.960 |
10.800 |
14.300 |
3/4" |
11.900 |
19.300 |
7.700 |
11.000 |
15.400 |
23.500 |
7/8" |
19.000 |
29.700 |
12.000 |
16.700 |
24.500 |
36.200 |
1" |
28.300 |
42.500 |
17.600 |
23.500 |
36.300 |
51.500 |
1-1/8" |
40.300 |
59.200 |
24.700 |
32.400 |
52.500 |
72.400 |
1-1/4" |
54.300 |
78.600 |
36.100 |
45.800 |
70.600 |
95.500 |
1-3/8" |
73.000 |
102.000 |
47.900 |
59.300 |
94.500 |
125.000 |
1-1/2" |
94.300 |
131.000 |
60.900 |
74.800 |
122.000 |
161.000 |
1-5/8" |
162.000 |
91.600 |
||||
1-3/4" |
151.000 |
204.000 |
100.000 |
114.000 |
||
1-7/8" |
241.000 |
134.000 |
||||
2" |
224.000 |
299.000 |
140.000 |
165.000 |
||
2-1/4" |
419.000 |
227.000 |
||||
2-1/2" |
564.000 |
332.000 |
||||
2-3/4" |
738.000 |
429.000 |
||||
3" |
950.000 |
545.000 |
||||
3-1/4" |
1194.000 |
651.000 |
||||
3-1/2" |
1526.000 |
851.000 |
||||
3-3/4" |
1812.000 |
1005.000 |
||||
4" |
2180.000 |
1200.000 |
| Industry | Applications |
|---|---|
| Construction | Heavy hex nuts are widely used in construction projects for securing structural components, steel frames, and concrete forms. |
| Manufacturing | Utilized in machinery and equipment manufacturing, heavy hex nuts ensure secure fastening of components in various industrial machines. |
| Automotive | Found in automotive assembly lines, heavy hex nuts are crucial for fastening essential parts like engines, chassis, and suspension systems. |
| Oil & Gas | Heavy hex nuts are used in pipelines, drilling rigs, and offshore platforms, providing strong connections in the challenging environments of the oil and gas industry. |
| Aerospace | In aerospace applications, heavy hex nuts play a vital role in securing critical components, ensuring the safety and reliability of aircraft and spacecraft. |
| Railroad | Heavy hex nuts are used in railroad tracks and bridges, providing stability and durability to rail infrastructure. |
| Marine | Found in shipbuilding, heavy hex nuts are used in the construction of vessels, offering strong connections for maritime structures. |
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Heavy Hex Nuts are larger and thicker than standard nuts, providing a more secure grip and higher load-bearing capacity. They are commonly used in heavy-duty applications where strength and stability are crucial.
Heavy Hex Nuts are manufactured from a variety of materials, including stainless steel, carbon steel, and alloy steel. The choice of material depends on the specific requirements of the application, such as corrosion resistance and strength.
Heavy Hex Nuts adhere to international standards such as DIN, ASTM, ISO, and BS, ensuring quality and reliability. These standards define the dimensions, materials, and testing procedures for heavy hex nuts used in different industries.
Heavy Hex Nuts can have different finishes, including plain, zinc-plated, hot-dip galvanized, and coated with organic coatings. These finishes enhance the nuts' durability and protect them from corrosion in various environments.
The size of Heavy Hex Nuts is specified by the diameter and thread pitch. It's essential to match the nut size with the corresponding bolt or stud size to ensure a proper fit. Consulting with a fastener expert can help you determine the correct size for your specific application.
Yes, Heavy Hex Nuts made from heat-resistant materials like stainless steel alloys can withstand high temperatures. These nuts are ideal for applications where elevated temperatures are a concern, such as in industrial furnaces or engine components.
Heavy Hex Nuts can be reused if they are in good condition and have not undergone significant wear or deformation during previous use. It's essential to inspect the nuts carefully before reusing them to ensure they meet safety standards.
Heavy Hex Nuts have a thicker profile and higher load-bearing capacity compared to Hex Jam Nuts. While Heavy Hex Nuts are designed for heavy-duty applications, Hex Jam Nuts are thinner and commonly used as locknuts in assemblies to prevent loosening.
Yes, Heavy Hex Nuts can be customized in terms of material, size, and coatings to meet the unique requirements of different applications. Customization ensures that the nuts perfectly fit the intended purpose, providing optimal performance and safety.
