304 Stainless Steel Countersunk Rivet Nuts M4 to M8 for Thin Panels

Anti-rotation rivet nuts with flat head & vertical knurling. 304 stainless steel, semi-smooth body, partial internal threads. Sizes M4-M8. Passivated. Ideal for electronics & enclosures.

Achieve vibration-proof flush mounting in thin materials with these precision knurled rivet nuts. Featuring a countersunk head with vertical diamond knurls under the head (0.3mm depth), they prevent rotation during installation. The semi-smooth body (Ra 0.8µm) protects panel finishes, while partial threads (60% depth) reduce weight without compromising strength. Made from passivated A2-70 stainless steel.

• Electronics: Laptop chassis, SSD mounts, server rack panels
• Automotive: Dashboard sensor mounts, ECU housing fastening
• Medical: Scanner housing assembly, wheelchair frame joints
• Consumer: Camera body shells, drone arm connectors
• Industrial: Control cabinet doors, meter box covers

1. Hole Preparation:
   • Drill hole = Nut OD -0.1mm (e.g., 5.9mm for M6 nut)
   • Deburr & clean with IPA (99% purity)
2. Tool Selection:
   • Mandrel type: Hex drive (match internal hex size)
   • Installation force: M4=1,800N, M6=3,000N
3. Installation Steps:
   • Insert nut into hole (knurled section first)
   • Engage hex tool through threaded hole
   • Pull mandrel at 45° angle to compress body
   • Maintain force until "click" (body fully deformed)
4. Quality Check:
   • Head flush within 0.05mm
   • No visible knurl above surface
   • Thread gauge verification

• 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.
• 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.
• A complete management system, each batch of products that leave the factory undergoes multiple strict monitoring
• Dedicated account management for seamless collaboration. System-supporting services guarantee you peace of mind.

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.

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.

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.

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 any movement during transit.

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.

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.