100 Piece Rivet Nuts Kit M3x20 Hollow Thread Inserts Aluminum Alloy Fasteners Hardware For Quick Beefy Riveting In Auto Body Metalworking DIY Projects And Industrial Applications

100-Piece M3x20 Hollow Rivet Nuts Kit for Auto & Metalwork
✔️ 100 pcs, M3x20, aluminum alloy hollow rivet nuts, smooth finish

These hollow rivet nuts are threaded inserts made from aluminum alloy, designed to provide strong, flush threaded inserts in metal panels. They're commonly used in auto body work, metalworking projects, cabinetry, and industrial applications where lightweight, corrosion-resistant threaded holes are needed.

✅ Material: aluminum alloy, corrosion resistant
✅ Type: hollow rivet nut threaded insert
✅ Size: M3x20
✅ Finish: smooth, burr-free edges with even coating

💡 What is a rivet nut used for in auto body and metalworking?

Rivet nuts provide threaded inserts in thin panels without back-side access.

- Creates a threaded hole in sheet metal for bolts
- Handy for auto body repairs and DIY metalworking projects
- Lightweight aluminum alloy options resist corrosion and keep weight down
- Works with standard rivet guns for quick, flush installations
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