DIN 7967 Alloy Steel 65Mn Self-Locking Counter Nuts Tight Nuts Blacked M6-M27
Characteristics, Advantages, and Application Scenarios of DIN 7967 Self-Locking Counter Nuts
Characteristics:
- Self-Locking Feature: These nuts possess a unique self-locking mechanism that maintains tightness during vibration or external forces, reducing the likelihood of loosening.
- High-Quality Material: They are typically made of high-quality spring steel, ensuring strength and durability.
- Surface Treatment: The nuts undergo a Dacromet coating process, providing excellent rust prevention and corrosion resistance, suitable for various harsh environments.
- Compatibility: Designed to work seamlessly with standard bolts or screws, offering a stable connection.
- Variety of Sizes: DIN 7967 self-locking nuts come in multiple specifications to cater to different sizes and load requirements.
Advantages:
- Effective Locking: The self-locking design prevents loosening due to vibration or impact, enhancing safety and reliability.
- Easy Installation: Compared to regular nuts, DIN 7967 self-locking nuts do not require additional locking devices or tools, simplifying the installation process.
- Low Maintenance: Their superior rust prevention and corrosion resistance reduce maintenance and replacement frequencies, lowering overall costs.
- Wide Applicability: The availability of various sizes makes these nuts suitable for a broad range of machinery and equipment.
Application Scenarios:
- Automotive Industry: In automobile manufacturing, these self-locking nuts are widely used in engine, chassis, and other critical component connections, ensuring safety and stability during high-speed driving and vibrations.
- Machinery Equipment: They are used in heavy machinery, industrial equipment, and precision instruments to ensure tightening and locking of key components.
- Aerospace: In the aerospace sector, where fastener requirements are extremely high, these self-locking nuts are favored for their excellent locking performance and durability.
- Other Fields: Additionally, in bridges, construction, power, and shipping, these self-locking nuts are widely applied in connections requiring high strength and locking capabilities.
![](http://img.everychina.com/nimg/0e/c0/4071d0288eada1ea4d9523dd72da.jpg)
Screw Thread | M4 | M5 | M6 | M8 | M10 | M12 |
d | | | | | | |
P | Series 1 | | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 |
Series 2 | | - | - | - | 1 | 1.25 | 1.5 |
Series 3 | | - | - | - | - | 1 | 1.25 |
d | Series 1 | | 3.5 | 4.5 | 5.3 | 6.9 | 8.6 | 10.4 |
Series 2 | | - | - | - | 7.1 | 9 | 10.7 |
Series 3 | | - | - | - | - | 9.3 | 11 |
e | ≈ | | 8.1 | 9.2 | 11.5 | 15 | 19.6 | 21.9 |
m | 2.5 | 2.5 | 3 | 3.5 | 4 | 4.5 |
s | max=nominal size (h13) | | 7 | 8 | 10 | 13 | 17 | 19 |
min | | 6.78 | 7.78 | 9.78 | 12.73 | 16.73 | 18.67 |
t | Series 1 | | 0.3 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 |
Series 2 | | - | - | - | 0.4 | 0.5 | 0.6 |
Series 3 | | - | - | - | - | 0.5 | 0.6 |
per 1000 units≈kg | Series 1 | | 0.17 | 0.28 | 0.4 | 0.9 | 1.4 | 1.9 |
Series 2 | | - | - | - | 0.7 | 1.4 | 1.9 |
Series 3 | | - | - | - | - | 1.4 | 1.9 |
Screw Thread | M14 | M16 | M18 | M20 | M22 | M24 |
d | | | | | | |
P | Series 1 | | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
Series 2 | | 1.5 | 1.5 | 2 | 2 | 2 | 2 |
Series 3 | | - | - | 1.5 | 1.5 | 1.5 | 1.5 |
d | Series 1 | | 12 | 14.1 | 15.5 | 17.6 | 19.6 | 21 |
Series 2 | | 12.7 | 14.8 | 16.2 | 18.3 | 20.3 | 22.5 |
Series 3 | | - | - | 16.8 | 18.8 | 20.8 | 22.8 |
e | ≈ | | 25.4 | 27.7 | 31.2 | 34.6 | 36.9 | 41.6 |
m | 5 | 5 | 5.5 | 6 | 6 | 7 |
s | max=nominal size (h13) | | 22 | 24 | 27 | 30 | 32 | 36 |
min | | 21.67 | 23.67 | 26.67 | 29.67 | 31.61 | 35.61 |
t | Series 1 | | 0.6 | 0.7 | 0.7 | 0.8 | 0.8 | 0.9 |
Series 2 | | 0.6 | 0.7 | 0.7 | 0.8 | 0.8 | 0.9 |
Series 3 | | - | - | 0.7 | 0.7 | 0.7 | 0.7 |
per 1000 units≈kg | Series 1 | | 2.5 | 3.4 | 4.1 | 5.8 | 6.4 | 9.5 |
Series 2 | | 2.5 | 3.4 | 4.1 | 5.8 | 6.4 | 9.5 |
Series 3 | | - | - | 4.1 | 5.1 | 5.6 | 7.4 |
Screw Thread | M27 | M30 | M33 | M36 | M39 | M42 |
d | | | | | | |
P | Series 1 | | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 |
Series 2 | | 2 | 2 | 2 | 3 | 3 | 3 |
Series 3 | | - | - | - | - | - | - |
d | Series 1 | | 24.2 | 26.6 | 29.8 | 32.2 | 35.2 | 37.6 |
Series 2 | | 25.5 | 28.5 | 31.5 | 33.6 | 36.6 | 39.8 |
Series 3 | | - | - | - | - | - | - |
e | ≈ | | 47.3 | 53.1 | 57.7 | 63.5 | 69.3 | 75 |
m | 7 | 8 | 8 | 9 | 9 | 11 |
s | max=nominal size (h13) | | 41 | 46 | 50 | 55 | 60 | 65 |
min | | 40.61 | 45.61 | 49.61 | 54.54 | 59.54 | 64.54 |
t | Series 1 | | 1 | 1.1 | 1.2 | 1.3 | 1.3 | 1.4 |
Series 2 | | 1 | 1 | 1 | 1.3 | 1.3 | 1.4 |
Series 3 | | - | - | - | - | - | - |
per 1000 units≈kg | Series 1 | | 13 | 17.5 | 22 | 29 | 32 | 45 |
Series 2 | | 13 | 16 | 18.5 | 29 | 32 | 45 |
Series 3 | | - | - | - | - | - | - |
Screw Thread | M45 | M48 | M52 | | | |
d | | | | | | |
P | Series 1 | | 4.5 | 5 | 5 | | | |
Series 2 | | 3 | 3 | 3 | | | |
Series 3 | | - | - | - | | | |
d | Series 1 | | 40.9 | 43.9 | 48.2 | | | |
Series 2 | | 42.8 | 45.8 | 49.8 | | | |
Series 3 | | - | - | - | | | |
e | ≈ | | 80.8 | 86.5 | 92.4 | | | |
m | 12 | 14 | 16 | | | |
s | max=nominal size (h13) | | 70 | 75 | 80 | | | |
min | | 69.54 | 74.54 | 79.54 | | | |
t | Series 1 | | 1.5 | 1.6 | 1.7 | | | |
Series 2 | | 1.5 | 1.5 | 1.5 | | | |
Series 3 | | - | - | - | | | |
per 1000 units≈kg | Series 1 | | 64 | 80 | 95 | | | |
Series 2 | | 64 | 75 | 80 | | | |
Series 3 | | - | - | - | | | |