Din 6923 ISO 4161 Hexagon Flange Nuts Carbon Steel 35K A3 Plain Class4 8
Characteristics, Advantages, and Uses of DIN6923 Hexagon Flange Nuts (Carbon)
Characteristics:
- Standardized Design: DIN6923 flange nuts adhere to the DIN6923 standard, ensuring product uniformity and interchangeability.
- High-Strength Material: Made from high-strength materials like carbon steel, ensuring the nut's durability and strength.
- Flange Design: The nut features a flange at its base, increasing the contact area with the connected piece, thus improving connection stability and torque distribution.
- Multiple Strength Grades: Available in different strength grades like 4.8, 8.8, 10.9, and 12.9 to cater to various application needs.
Advantages:
- Efficient Connection: The flange design allows the nut to more efficiently distribute force across the connected piece, enhancing reliability and stability.
- Wide Applicability: The choice of different strength grades makes these nuts suitable for multiple application scenarios.
- Durability: Made from high-strength materials, ensuring a long lifespan and excellent durability.
- Easy Installation: The standardized design simplifies and speeds up the installation process.
Uses:
- Mechanical Equipment Connection: Ideal for connecting and securing various mechanical equipment, ensuring stable and safe operation.
- Building Structure Connection: In the construction sector, these nuts can be used to connect steel structures or secure other architectural elements, enhancing structural stability.
- Automotive Manufacturing: Widely used in the automotive industry for connecting and fastening parts like car bodies and engines.
- Other Industrial Fields: Due to their high strength and versatility, DIN6923 Hexagon flange nuts (Carbon) are also extensively used in other industries like shipping, aerospace, and more.
Overall, DIN6923 Hexagon flange nuts (Carbon), with their standardized design, high strength, and wide applicability, are essential fasteners in various industrial sectors.

Thread Size D | |
P | Pitch | Coarse thread | Fine thread 1 | Fine thread 2 | c | min | da | min | max | dc | max | dw | min | e | min | m | max | min | mw | min | s | max=nominal size | min | r | max | | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | / | / | 1 | 1.25 | 1.5 | 1.5 | 1.5 | 1.5 | / | / | / | (1.0) | (1.25) | / | / | / | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | 5.75 | 6.75 | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 21.6 | 11.8 | 14.2 | 17.9 | 21.8 | 26 | 29.9 | 34.5 | 42.8 | 9.8 | 12.2 | 15.8 | 19.6 | 23.8 | 27.6 | 31.9 | 39.9 | 8.79 | 11.05 | 14.38 | 16.64 | 20.03 | 23.36 | 26.75 | 32.95 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 | 4.7 | 5.7 | 7.6 | 9.6 | 11.6 | 13.3 | 15.3 | 18.9 | 2.2 | 3.1 | 4.5 | 5.5 | 6.7 | 7.8 | 9 | 11.1 | 8 | 10 | 13 | 15 | 18 | 21 | 24 | 30 | 7.78 | 9.78 | 12.73 | 14.73 | 17.73 | 20.67 | 23.67 | 29.67 | 0.3 | 0.36 | 0.48 | 0.6 | 0.72 | 0.88 | 0.96 | 1.2 | |