Blind rivet nuts (rivnuts) install from one side to give a strong internal thread in sheet metal, tubes and panels — common in vehicle bodies, seating, racks and enclosures. Flat-head and reduced-head styles with knurled bodies that resist spin-out, M3 to M12, in carbon steel, stainless or aluminium. Steel rivet nuts are supplied with zinc (yellow or clear) or zinc-nickel plating.
| Product / standard | Sizes | Grades | Material | Finishes | MOQ |
|---|---|---|---|---|---|
| Manufacturer specification Flat Head Rivet Nut | M3 – M12 | Steel, Stainless 304, Aluminium | Low carbon steel; Stainless 304; Aluminium alloy | Zinc plated, Zinc-nickel, Stainless (no coating) | 500 pcs / size |
Zinc-nickel and zinc are plated on our own line in Ningbo. Other finishes are applied by specialist coaters to the relevant standard.
| Finish | Applied | Notes |
|---|---|---|
| Zinc plated | Our own line | Clear/blue, yellow or black passivation |
| Zinc-nickel | Our own line | 12–15 µm, clear or black passivation; 1,000 h (12 µm) to 1,440 h (15 µm) neutral salt spray |
| Stainless (no coating) | Available | A2 (304) / A4 (316) stainless, passivated |
For property class 10.9 and above, choose zinc flake, or zinc-nickel with hydrogen-embrittlement relief agreed at order stage.

Send sizes and quantities — we reply with price, finish options and lead time within 24 hours.