316 SS Heavy Duty Knurled Rivet Nuts - Cross Knurling & Barbs - For Vibration Environments - M6 to M12

Extreme anti-rotation rivet nuts with cross knurl & barbs. 316 stainless steel, 70% thread depth. Withstands 20G vibration. M6-M12 sizes. Electropolished. DNV-GL & MIL-STD-1312 certified.

Engineered for **high-shock environments**, these rivet nuts combine **cross knurling** (0.5mm depth) and **radial barbs** for maximum anti-rotation. The **90° flat head** provides aerodynamic sealing, while the **electropolished 316L body** resists salt spray corrosion. Partial threads (70% depth) maintain tensile strength with 30% weight reduction. Exceeds MIL-STD-1312 vibration standards.

Primary Uses & Applications:

- **Aerospace**: Engine bay panels, landing gear covers
- **Marine**: Propeller shaft guards, sonar housing
- **Railway**: Bogie frame mounts, coupler mechanisms
- **Energy**: Wind turbine blade joints, hydraulic valve blocks
- **Mining**: Drill head assemblies, conveyor impact zones

How to Use:

1. **Surface Treatment**:
- Grit blast panel (SA 2.5 standard)
- Apply Dinitrol 4941 corrosion inhibitor
2. **Precision Drilling**:
- Hole tolerance: Nut OD -0.05/+0.03mm
- Use carbide drill with peck cycle (avoid hardening)
3. **Hydraulic Installation**:
a. Set hydraulic tool pressure:
- M6: 250 bar
- M12: 600 bar
b. Engage **tri-lobe mandrel** (120° offset)
c. Pull at 3-5mm/sec until force spike
4. **Post-Installation**:
- Conduct eddy current test for cracks
- Seal with Tefgel® anti-seize on threads
5. **Vibration Validation**:
- 24hr resonance sweep test (5-2000Hz)
- Max 0.01mm displacement per MIL-STD-1312

Our advantages:

1. More than 20 years of screw production experience and non-standard screw custom development experience, provide you with cost-effective screws, and help you solve the fastener supply chain.
2. Precise production equipment. The company introduces all imported equipment from Taiwan to produce precision screws and hardware accessories for you. Provide free sample testing for compatibility verification.
3. A complete management system, each batch of products that leave the factory undergoes multiple strict monitoring

4. Dedicated account management for seamless collaboration. System- supporting services guarantee you peace of mind.

Support and Services:
1. If you require technical support or have any questions regarding our Stainless Steel Rivet Nuts product, our team of knowledgeable professionals is here to assist you. We provide comprehensive support services for all aspects of our Stainless Steel Rivet Nuts. From selection advice to ensure you have the right type and size for your project, to guidance on proper installation techniques, we’ve got you covered.

2. Our support services include detailed product specifications, material safety data sheets, and step-by-step installation guides. We also offer troubleshooting assistance for any issues that may arise during the use of our Stainless Steel Rivet Nuts. Whether you're a seasoned professional or a DIY enthusiast, we're committed to providing the support you need to ensure your project's success.

3. For maintenance tips and best practices, our experts are on hand with valuable advice to extend the life and maintain the performance of our Stainless Steel Rivet Nuts. We are dedicated to providing exceptional customer support and ensuring that our products meet the highest standards of quality and reliability.

Packing and Shipping:
1. Our Stainless Steel Rivet Nuts are packaged with care to ensure they arrive at your location in perfect condition. Each pack contains a specific number of nuts, securely held within a durable, moisture-resistant plastic bag. This bag is then placed inside a sturdy cardboard box, cushioned with packing materials to prevent anymovement during transit.

2. The boxes are sealed and labeled with product information, including the quantity and size of the nuts, for easy identification. For larger or bulk orders, multiple boxes are placed onto a pallet, shrink-wrapped, and strapped securely to minimize the risk of damage.

3. We ship our Stainless Steel Rivet Nuts using reliable courier services to ensure timely and safe delivery. Tracking information is provided for every shipment, allowing you to monitor the progress of your order until it reaches your doorstep.

Our factory is able to accept customized drawings. To strike a balance between technical details and customer-centric messaging, please let us know if you need to tweak the description to highlight specific certifications or other parameters!