Yes, we will definitely conduct a final pre-delivery quality inspection on all Industry Grade Countersunk Head Riveted Nuts - without any exceptions. The process is as follows: we randomly select samples from each production batch and perform rigorous destructive and non-destructive tests on them.
These tests include checking their installation effect, tensile strength, and verifying the thread dimensions. This final inspection can clearly prove that these nuts meet all the specified standards. As a result, you can be completely certain that the product is reliable and suitable for the important applications you use, and it operates well.
We have internationally recognized quality management system certifications to demonstrate how we produce Industry Grade Countersunk Head Riveted Nuts - ISO 9001 is one of the most important ones. If you need further information, you can view the following certificates - they are a direct testament to our long-term commitment and practical actions to "maintain stable quality and continuously improve quality".
In addition, we can also provide material certification services (such as RoHS certification) to ensure that the nuts we supply strictly comply with industry-specific standards and international standards. This is usually a necessary condition for customers in industries such as aerospace, automotive, and electronics.
The main upsides of Industry Grade Countersunk Head Riveted Nuts are that they sit flush, you can install them from just one side, and it’s quick to do. Unlike welding, they don’t cause heat distortion, so they work well with materials that are already finished.
Compared to regular rivet nuts, these ones give a smooth surface—important when aerodynamics or safety are factors. They create a strong, vibration-resistant thread even in thin materials, where tapping a thread wouldn’t work. That makes them a better, more efficient way to fasten things.
Mon | M3 | M4 | M5 | M6 | M8 | M10 | M12 |
P | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 |
ds max | 4.97 | 5.97 | 6.97 | 8.97 | 10.97 | 12.97 | 14.97 |
ds min | 4.9 | 5.9 | 6.9 | 8.9 | 10.9 | 12.9 | 14.9 |
d1 max | 4.12 | 4.92 | 5.72 | 7.65 | 9.35 | 11.18 | 13.18 |
d1 min | 4 | 4.8 | 5.6 | 7.5 | 9.2 | 11 | 13 |
dk max | 8 | 9 | 10 | 12 | 14 | 16 | 18 |
k | 0.8 | 0.8 | 1 | 1.5 | 1.5 | 1.8 | 1.8 |