50-Pack Tri-Fold Aluminum Blind Rivets – 3.2, 4.0 & 4.8mm
50-Pack Tri-Fold Aluminum Blind Rivets – 3.2, 4.0 & 4.8mm
50-Pack Tri-Fold Aluminum Alloy Blind Rivets – 3.2mm, 4.0mm & 4.8mm
Take your fastening projects to the next level with these tri-fold (tri-grip) aluminum alloy blind rivets. Available in three sizes — 3.2mm, 4.0mm, and 4.8mm — this 50-piece pack gives you versatility and reliability for a wide range of DIY, home improvement, and professional applications. The innovative triple-fold design spreads load across a larger surface area, making these rivets ideal for soft materials, irregular holes, and fragile workpieces.
Made in Mainland China.
Why Choose Tri-Fold Blind Rivets?
- Premium Aluminum Alloy Construction: Crafted from high-quality aluminum alloy that is rustproof and corrosion-resistant — suitable for both indoor and outdoor use.
- Tri-Fold / Tri-Grip Design: When set, the rivet expands into three "legs," distributing force over a wider area. This creates a stronger hold in oversized or irregularly shaped holes and prevents damage to soft or fragile materials like rubber, plastic, and thin sheet goods.
- Greater Surface Load Capacity: The larger footprint of the tri-fold head increases clamping strength compared to standard pop rivets, making it great for projects that demand a secure, lasting bond.
- Gentle on Workpieces: The moderate hardness of the aluminum alloy, combined with the specialized folding method, protects delicate surfaces and prevents cracking or crushing of soft materials.
- Versatile Applications: Perfect for DIY home projects, automotive work, furniture assembly, plumbing systems, instrumentation, and commercial applications. Round head profile provides a clean, professional finish.
Product Specifications
| Material | Aluminum Alloy |
| Color | Silver |
| Available Sizes | 3.2mm, 4.0mm, 4.8mm |
| Head Type | Round Head (Tri-Fold / Tri-Grip) |
| Quantity | 50 pieces per pack |
| Finish | Rustproof, corrosion-resistant |
| Usage | Indoor & Outdoor |
| Origin | Made in Mainland China |
What's in the Box?
- 50 × Tri-Fold Aluminum Alloy Blind Rivets (your choice of 3.2mm, 4.0mm, or 4.8mm)
Tips for Best Results
- Match the rivet diameter to your rivet gun chuck size for a secure, consistent set.
- Drill a clean, appropriately sized hole — the tri-fold design accommodates slight oversizing, but a well-prepared surface yields the best results.
- Ideal for layering soft materials (rubber, thin plastic) where standard rivets may crack or tear the substrate.
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Frequently Asked Questions
Q: What sizes are included in this 50-pack of tri-fold blind rivets?
A: This listing offers tri-fold aluminum alloy blind rivets in three size options: 3.2mm, 4.0mm, and 4.8mm. Each pack contains 50 pieces of your chosen size, giving you plenty of fasteners for your project.
Q: What materials can these tri-grip blind rivets be used on?
A: These tri-fold rivets are specially designed for soft, fragile, or irregular materials such as rubber, plastic sheeting, thin wood panels, and similar substrates. The three-leg expansion distributes load gently and evenly, protecting the workpiece surface while delivering a strong, lasting hold.
Q: Are these aluminum rivets suitable for outdoor use?
A: Yes! The aluminum alloy construction makes these rivets rustproof and corrosion-resistant, so they perform well in both indoor and outdoor environments, including automotive, plumbing, and exterior furniture applications.
Q: Do I need a special rivet gun for tri-fold blind rivets?
A: Standard manual or pneumatic rivet guns (pop rivet guns) compatible with the corresponding mandrel diameter (3.2mm, 4.0mm, or 4.8mm) will work with these rivets. Always ensure your rivet gun chuck matches the rivet body diameter for a clean set.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.