M4 Knurled Flat Rivet Nut
The M4 Knurled Flat Rivet Nut is an internally threaded fastener designed for thin-walled materials, offering strong anti-rotation performance and a clean, flush-mounted appearance. Its knurled exterior enhances mechanical grip within the installation hole, making it ideal for use in high-vibration environments or softer base materials. The flat head provides a broad load-bearing surface, helping to distribute force and prevent material deformation. With a 4 mm internal thread diameter, this rivet nut is suitable for applications requiring reliable fastening and frequent assembly or disassembly.
Thread Size: M4 × 0.7 (ISO Metric)
Head Style: Flat head – provides a broad bearing surface for enhanced load distribution
Body Type: Knurled, round shank – improves anti-rotation performance
Grip Range: Typically 0.5 mm – 3.0 mm (depending on part specification)
Head Diameter: Approx. 7.5 – 9.0 mm
Body Length: Approx. 10 – 13 mm, depending on grip range
Material Options:
Carbon Steel (zinc-plated for corrosion resistance)
Stainless Steel (304/316 for enhanced durability)
Aluminum (lightweight applications)
Finish Options:
Clear or yellow zinc plating
Passivation (for stainless steel)
Optional anodizing (for aluminum)
Automotive Assemblies
Used in body panels, brackets, and trim where strong threaded connections and vibration resistance are essential.Electrical Enclosures and Boxes
Ideal for mounting internal components and cable trays to thin metal walls, offering reliable thread access without rear entry.Sheet Metal Fabrication
Provides secure threads in light-gauge steel or aluminum panels, with knurled body preventing rotation during torque application.Consumer and Industrial Appliances
Enables internal fastening of components in washers, dryers, HVAC units, and other household or commercial equipment.Furniture and Display Fixtures
Suitable for modular frames and metal fixtures where consistent alignment and easy assembly/disassembly are required.Mechanical and Control Panels
Used in securing interface components, control boxes, or hinged covers that require both strength and frequent servicing.
1. What is a knurled flat rivet nut?
It is a threaded insert with a flat head and a knurled body, designed to provide strong, spin-resistant internal threads in thin or soft materials.
2. What are the benefits of the knurled body?
The knurling enhances friction between the insert and the host material, significantly reducing the risk of rotation during installation or use—especially in softer or high-vibration environments.
3. What type of head does it have?
It features a flat head, which provides a wide bearing surface that helps distribute the load and prevent pull-through or deformation.
4. How is it installed?
Installed using a rivet nut tool (manual, pneumatic, or hydraulic), which collapses the shank to anchor the insert securely into the material.
5. What grip range does it support?
Standard grip range typically spans 0.5 mm to 3.0 mm depending on the model.
6. What are the standard packaging options?
Usually available in bulk cartons of 1,000 to 5,000 pcs.
MOQ: 50,000.
Custom packing and labeling options are available for OEM or distributor requirements.
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