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Hex Coupling Nuts Weight Chart: Smart Guide for Better Planning
April 10, 2026
In modern engineering and construction, fasteners play a critical role in ensuring structural strength and stability. Among them, hex flange nuts are widely used due to their built-in washer design and superior load distribution. To achieve accurate planning and execution, professionals rely heavily on the Hex Flange Nuts Weight Chart. This essential reference helps determine the exact weight of fasteners required for different applications, making project management more efficient and cost-effective.
What is a Hex Flange Nuts Weight Chart?
The Hex Flange Nuts Weight Chart is a technical guide that provides weight details of hex flange nuts based on their size, material, and standards. It is commonly used by engineers, procurement teams, and manufacturers to calculate total material requirements. By referring to the Hex Flange Nuts Weight Chart, businesses can streamline ordering processes and avoid unnecessary material surplus or shortages.
Why Weight Accuracy Matters in Fasteners
Accurate weight calculation is crucial for multiple aspects of industrial operations. The Hex Flange Nuts Weight Chart helps ensure proper load handling, especially in applications where safety is a priority. It also simplifies logistics planning by providing precise weight data for transportation and shipping. Without a reliable Hex Flange Nuts Weight Chart, projects may face delays, cost overruns, and inefficiencies.
Hex Flange Nut Materials / Grades
| Materials | Grades |
| Stainless Steel | ASTM / ASME SA 312 GR. TP 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316 LN, 317, 317L, 321, 321H, 347, 347H, 904L |
| High Tensile | 8.8, 10.9, 12.9, 14.9 |
| Duplex Steel | UNS NO S 31803, S 32205, S 32550, S 32750, S 32760 |
| Alloys Steel | ASTM / ASME A/SA 193 / 194 – B 6, B 7, B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M |
| Nickel Alloys | Nickel Alloys 200, Nickel Alloys 201 |
| Hastelloy | Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G |
| Inconel | Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750, Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L |
Key Applications of Hex Flange Nuts
Hex flange nuts are used across a wide range of industries due to their strength and reliability. The Hex Flange Nuts Weight Chart becomes especially important in the following sectors:
- Automotive manufacturing and assembly
- Construction and infrastructure projects
- Oil and gas pipelines
- Heavy machinery production
- Power plants and engineering industries
In these applications, referring to the Hex Flange Nuts Weight Chart ensures the correct selection of fasteners, improving overall safety and performance.
Factors Affecting the Weight of Hex Flange Nuts
Several factors influence the weight of hex flange nuts, making the Hex Flange Nuts Weight Chart a necessary tool for accurate calculations:
- Material type, such as stainless steel, carbon steel, or alloy steel
- Size and diameter variations
- Thread pitch and design
- Manufacturing standards and tolerances
Understanding these factors alongside the Hex Flange Nuts Weight Chart helps professionals make better decisions when selecting fasteners for specific applications.
Hex Flange Nuts Weight Chart
| Hex Flange Nuts | |||||||||||||
| APPROX. WEIGHT IN KGS FOR 100 NOS. | |||||||||||||
| SIZE | OLD SPEC IS 1363/67 | NEW SPEC IS 1363/92 | HEIGHT = DIA NUTS | HEX LOCK NUTS IS 1364-84 | HSS NUTS IS: 6623 | Castle Nuts IS 2232-67 | Nylock Nuts Din 985 | SIZE | HEX NUTS BSW / BSF | HEX LOCK NUTS BSW / BSF | SQUARE NUTS – BSW | ASTM A-194UNC HEAVY HEX NUTS | |
| M2 | 0.011 | 1/8″ | 0.041 | ||||||||||
| M3 | 0.033 | 0.050 | 5/32″ | 0.053 | |||||||||
| M4 | 0.067 | 0.112 | 0.100 | 3/16″ | 0.133 | ||||||||
| M5 | 0.111 | 0.080 | 0.230 | 0.140 | 1/4″ | 0.323 | 0.190 | 0.340 | |||||
| M6 | 0.232 | 0.120 | 0.316 | 0.240 | 5/16″ | 0.510 | 0.340 | 0.654 | 0.758 | ||||
| M7 | 0.294 | 0.396 | 0.300 | 3/8″ | 0.817 | 0.510 | 0.966 | 1.370 | |||||
| M8 | 0.482 | 0.300 | 0.735 | 0.510 | 7/16″ | 1.389 | 0.930 | 1.683 | 2.000 | ||||
| M10 | 1.020 | 0.909 | 1.282 | 0.670 | 1.580 | 1.060 | 1/2″ | 2.222 | 1.430 | 2.677 | 2.959 | ||
| M12 | 1.590 | 1.389 | 1.942 | 1.090 | 2.000 | 1.720 | 5/8″ | 4.348 | 2.700 | 5.040 | 5.263 | ||
| M14 | 2.400 | 3.049 | 1.680 | 2.700 | 2.600 | 3/4″ | 7.184 | 4.800 | 8.818 | 8.621 | |||
| M16 | 3.081 | 3.333 | 3.906 | 1.800 | 6.040 | 3.890 | 3.400 | 7/8″ | 8.621 | 5.600 | 10.917 | 12.658 | |
| M18 | 4.448 | 5.814 | 2.690 | 5.750 | 4.500 | 1″ | 12.987 | 8.500 | 15.432 | 17.986 | |||
| M20 | 6.031 | 6.667 | 7.519 | 3.300 | 11.530 | 7.520 | 6.500 | 1.1/8″ | 18.182 | 11.800 | 23.364 | 26.316 | |
| M22 | 7.143 | 8.929 | 9.091 | 3.890 | 14.280 | 9.300 | 7.500 | 1.1/4″ | 26.596 | 17.200 | 33.333 | 34.247 | |
| M24 | 10.309 | 12.500 | 12.821 | 5.100 | 19.770 | 13.100 | 10.000 | 1.3/8″ | 37.879 | 23.000 | 44.248 | ||
| M27 | 15.432 | 18.657 | 8.150 | 28.230 | 19.200 | 16.200 | 1.1/2″ | 45.455 | 28.000 | 60.241 | |||
| M30 | 21.645 | 26.596 | 10.400 | 36.500 | 26.400 | 21.200 | 1.5/8″ | 71.429 | 73.529 | ||||
| M33 | 27.174 | 34.483 | 14.300 | 33.330 | 31.700 | 1.3/4″ | 71.429 | 46.000 | 90.909 | ||||
| M36 | 37.037 | 43.860 | 17.600 | 28.180 | 44.700 | 41.500 | 2″ | 81.967 | 54.000 | 135.135 | |||
| M39 | 47.619 | 57.471 | 24.000 | 58.400 | 49.900 | 2.1/4″ | 111.111 | 185.185 | |||||
| M42 | 57.471 | 73.529 | 27.500 | 71.000 | 62.800 | 2.1/2″ | 172.414 | 238.095 | |||||
| M45 | 72.464 | 92.593 | 37.000 | 86.000 | 77.100 | 2.3/4″ | 263.158 | 333.333 | |||||
| M48 | 92.593 | 113.636 | 42.800 | 106.000 | 99.800 | 3″ | 333.333 | 454.545 | |||||
| M52 | 108.696 | 138.889 | 52.000 | 130.000 | 0 BA | 0.270 | |||||||
| M56 | 131.579 | 166.667 | 2 BA | 0.126 | |||||||||
| M60 | 161.290 | 192.308 | |||||||||||
| M64 | 185.185 | 227.273 | |||||||||||
| M72 | 250.000 | 312.500 | |||||||||||
| M80 | 333.333 | ||||||||||||
| M90 | 454.545 | ||||||||||||
| M100 | 625.000 | ||||||||||||
Benefits of Using Hex Flange Nuts
Hex flange nuts offer multiple advantages that enhance their usability in industrial environments:
- Built-in flange eliminates the need for additional washers
- Provides strong grip and resistance to vibration
- Ensures even distribution of load
- Reduces installation time and labor cost
- Improves long-term durability and performance
When combined with the Hex Flange Nuts Weight Chart, these benefits allow for optimized usage and improved operational efficiency.
How the Weight Chart Improves Efficiency
Using the Hex Flange Nuts Weight Chart allows businesses to accurately estimate material requirements, reducing waste and improving cost control. It also helps in inventory management, ensuring that the right quantity of fasteners is always available. Additionally, the Hex Flange Nuts Weight Chart plays a vital role in export operations, where precise weight calculations are necessary for shipping compliance.
Conclusion
In today’s competitive industrial landscape, precision is key to success. The Hex Flange Nuts Weight Chart is more than just a reference tool it is a critical component for efficient planning, accurate estimation, and smooth execution of projects. By using the Hex Flange Nuts Weight Chart, businesses can reduce errors, optimize resources, and enhance productivity across various applications. Whether for manufacturing, construction, or heavy engineering, relying on a precise Hex Flange Nuts Weight Chart ensures better results and long-term reliability.