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Flange Nut
Product Details Product Name: Flange Nut Product Overview A flange nut is a special type of nut with an integrated flange plate (expansion washer), mainly used in connection scenarios where an increase in contact area and anti-loosening and anti-shock effects are required. Its flange desig...
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Product Details
Product Name: Flange Nut
Product Overview
A flange nut is a special type of nut with an integrated flange plate (expansion washer), mainly used in connection scenarios where an increase in contact area and anti-loosening and anti-shock effects are required. Its flange design can effectively disperse pressure, prevent surface damage to the connecting parts, and provide excellent anti-loosening performance. It is widely used in fields such as automotive manufacturing, mechanical equipment, steel structure engineering, and pipeline systems.
Product Features
Integrated flange design:
The flange plate and nut are integrally formed, eliminating the need for additional washers. It is easy to install and has a better anti-loosening effect.
The flange surface usually features anti-slip serrations or knurled teeth to enhance friction and prevent the nut from loosening in a vibrating environment.
2. High-strength material:
Carbon steel: Grade 4, Grade 6, Grade 8 (strength grades correspond to different application requirements).
Stainless steel: 304 (A2), 316 (A4), corrosion-resistant, suitable for harsh environments such as chemical engineering and Marine applications.
Alloy steel: Grade 10 and grade 12 high-strength nuts, suitable for heavy-duty structures.
3. Surface treatment:
Galvanized (white zinc, color zinc), Dacromet (corrosion-resistant), nickel plated (wear-resistant and beautiful).
Hot-dip galvanized (heavy-duty anti-corrosion, suitable for long-term outdoor use).
4. Standards and Specifications:
- International standards: DIN 6923 (German standard), ISO 7040 (international standard), ANSI B18.2.2 (American standard).
National Standard: GB/T 6177.
Thread specifications: M3 to M36 (metric), 1/4" to 1-1/2" (imperial).
Flange diameter: It is matched according to the size of the nut and is usually 20% to 50% larger than the standard nut.
5. Driving mode:
Hexagonal drive (standard type) : Suitable for ordinary wrenches or sockets.
- Nylon locking type: Built-in nylon ring, providing additional anti-loosening function.
Typical application scenarios
- Automotive industry: Engine, transmission, and chassis fastening.
- Machinery and equipment: motors, pumps and valves, assembly of heavy equipment.
- Construction engineering: Steel structure Bridges, curtain wall connections.
- Piping system: Flange connection, installation of fire protection equipment.
Product advantages
Anti-loosening and anti-shock: The flange plate increases the contact surface, and the serrated design prevents loosening due to self-rotation.
Protect the workpiece: Disperse the pressure to prevent indentations or deformations on the surface of the connecting parts.
Corrosion resistance: Multiple surface treatments are available to meet the requirements of different environments.
Easy installation: The integrated design reduces the number of parts and improves assembly efficiency.
Precautions for Use
Installation suggestions:
When used in conjunction with a torque wrench, ensure that the preload meets the standard.
The serrated surface should face the connecting part to ensure the best anti-slip effect.
Selection Guide
For vibration environments, it is preferred to choose structures with nylon locking or all-metal locking.
The stress corrosion risk of stainless steel flange nuts needs to be evaluated in high-temperature environments.
Technical Parameters
| Product Name: | Flange Nut |
| Diameter: | M6-M100 |
| Thickness: | 6.5mm-80mm |
| Colour: | white |
| Material: | Carbon steel |
| Surface treatment: | Galvanizing |
| The above are the inventory sizes. If you need non-standard customization (special dimensions, materials or surface treatments), please contact us and we will provide you with a personalized solution. | |
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