Grade 8 Flange Nut
Flange nuts can be divided into two categories according to the material. The first is ordinary carbon structural steel, which is what we usually call carbon steel; the second is stainless steel. Carbon steel is divided into Q195, 08AL and alloy steel according to the carbon content and strength of the steel. Stainless steel is divided into 304, 321, 304L, 316, 316L, 317, 317L, 310S and so on.
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Product Introduction
Grade 8 Flange Nut
As a trusted manufacturer located in China, we take pride in providing top-quality products to merchants worldwide. One of our flagship products is the Grade 8 Flange Nut, designed to bring exceptional strength and reliability to applications that require a secure fastening solution.
Here are some of the aspects that make our Grade 8 Flange Nut stand out:
Superior Grade 8 Strength
Our Grade 8 Flange Nut is made from high-strength materials that meet Grade 8 standards, ensuring superior mechanical properties that offer unmatched strength and durability. These nuts can withstand extreme loads and high levels of torque, making them ideal for use in challenging environments and critical applications.
Flanged Design for High Clamping Force
The flanged design of our Grade 8 Flange Nut allows for high clamping force, which provides a secure and reliable fix for products under high vibration or tension. Compared with regular nuts, flanged nuts provide a better load distribution, resulting in a more consistent and stable fastening solution.
Excellent Corrosion Resistance
Our Grade 8 Flange Nut is coated with a reliable anti-corrosion treatment that makes it resistant to rust and other forms of corrosion. This provides additional protection and prolongs the longevity of the nut, even when exposed to harsh environmental conditions.
Wide Range of Applications
Our Grade 8 Flange Nut is versatile and can be used in a wide range of applications, including construction, automotive, mining, industrial machinery, aerospace, and more. These nuts provide a reliable fastening solution for critical components and are designed to withstand extreme conditions and high loads.
Easy Installation
Our Grade 8 Flange Nut is easy to install, thanks to its standard sizing and threading, which makes it compatible with various bolts and screws. In addition, the flanged design helps to prevent over-tightening, reducing the risk of damage to the fastening system.
Competitive Price
As a manufacturer, we offer our Grade 8 Flange Nut at a highly competitive price, without compromising on quality. We believe that quality and affordability should go hand in hand, and this is evidenced by our commitment to providing the best value for our customers.
Conclusion
In summary, our Grade 8 Flange Nut is an excellent product that offers unmatched strength, durability, and reliability to any application that requires secure fastening. With its superior mechanical properties, flanged design, anti-corrosion treatment, versatility, easy installation, and competitive price, our nut is the ideal solution for any merchant looking for a dependable product that delivers exceptional value. We invite you to contact us today and experience the quality and reliability of our Grade 8 Flange Nut.
Flange nuts can be divided into two categories according to the material. The first is ordinary carbon structural steel, which is what we usually call carbon steel; the second is stainless steel. Carbon steel is divided into Q195, 08AL and alloy steel according to the carbon content and strength of the steel. Stainless steel is divided into 304, 321, 304L, 316, 316L, 317, 317L, 310S and so on.
According to the strength, it is also divided into two categories, one is low strength flange nut grade 4, 6, and the other is high strength flange nuts grade 8, 10, 12. Yellow zinc flange nuts with a strength of 6 and below are low-strength types, and those with a strength more than 6 are high strength types. Among them, zinc plated grade 8 flange nuts are most common.
Jiangsu Jinrui Metal Products Co., Ltd. specializes in the production of various specifications of hexagon flange nuts DIN6923 with the above materials and strength levels. And the products produced by Jinrui have covered the series of bolts, nuts, screws, washers and studs etc. Welcome to buy grade 8 flange nuts from Jinrui.
Production Process of Grade 8 Flange Nut

Specification of Grade 8 Flange Nut

d | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 | ||
P | Thread Pitch | Coarse Thread | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 |
Fine Thread 1 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | ||
Fine Thread 2 | / | / | / | -1 | -1.25 | / | / | / | ||
c | MIN | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | |
da | MIN | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |
MAX | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 21.6 | ||
dc | MAX | 11.8 | 14.2 | 17.9 | 21.8 | 26 | 29.9 | 34.5 | 42.8 | |
dw | MIN | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | |
e | MIN | 8.79 | 11.05 | 14.38 | 16.64 | 20.03 | 23.36 | 26.75 | 32.95 | |
m | MAX | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | |
MIN | 4.7 | 5.7 | 7.6 | 9.6 | 11.6 | 13.3 | 15.3 | 18.9 | ||
mw | MIN | 2.2 | 3.1 | 4.5 | 5.5 | 6.7 | 7.8 | 9 | 11.1 | |
s | MAX=Nominal Size | 8 | 10 | 13 | 15 | 18 | 21 | 24 | 30 | |
MIN | 7.78 | 9.78 | 12.73 | 14.73 | 17.73 | 20.67 | 23.67 | 29.67 | ||
r | MAX | 0.3 | 0.36 | 0.48 | 0.6 | 0.72 | 0.88 | 0.96 | 1.2 | |
Common Grade and Coating
Standard | Material | Grade | Finish | Thread |
DIN6923 | carbon steel | 4 | Plain | UNC |
Zinc plated | ||||
Alloy steel | Yellow zinc plated | |||
PTFE | ||||
Stainless steel | Black Oxide | UNF | ||
Dacromet | ||||
Other | HDG | |||
Other |
Application Area of Grade 8 Flange Nut
The application range of hexagon flange nuts is quite extensive. Most of flange nut DIN6923 are suitable for machines, equipment and structures with small surface roughness and high precision requirements, such as petrochemical industry, automobile manufacturing, construction, pressure pipeline, rail transit, steel structure engineering, large-scale power generation machinery facilities and infrastructure. Of course, in some specific locations in these fields, other products are also used, such as rail bolts, U-bolts, flat head hex bolts, T-bolts, hex bolts and round head square neck bolts Hex nuts, etc.

Why choose us?
- Our factory focuses on producing only the best-quality Hex Flange Nuts.
- We continue to improve and innovate to produce high-quality and practical Grade 8 Flange Nut that can be used in a variety of fields.
- Our Hex Flange Nut products are designed for durability, reliability, and function.
- With our excellent products, perfect service, and reliable reputation, we will help you succeed in your business and sincerely welcome colleagues from all walks of life to negotiate business!
- Our company is committed to providing fair and honest pricing for all our Hex Flange Nut products.
- Our company has precision production equipment and research and development talents, and actively promote the development and application of Grade 8 Flange Nut technology.
- We pride ourselves on providing excellent customer service and support to all our customers.
- The company takes "the harmony and unity of technology and service, and the integration of environmental protection and resource utilization" as its purpose, relying on technological innovation and scientific management, and carrying forward the enterprise spirit of "integrity, innovation, and pragmatism" to realize the self-improvement and development of the enterprise, with characteristics And the brand provides services to the society.
- We work closely with our customers to understand their specific needs and requirements for Hex Flange Nut products.
- The company has sophisticated production equipment, complete inspection equipment, and has established multiple production workshops.
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