The Bambu Lab High Flow 0.4mm Hardened Steel Nozzle Hotend Assembly delivers faster extrusion and improved material flow for the H2 & P2 Series, compatible with Bambu Labs H2D, H2S, H2C (Left Side Only), and P2S printers. Engineered for precision and speed, this hotend excels at tackling complex models, multi-material prints, and moderate-to-abrasive filaments such as carbon fiber, glow-in-the-dark, and metal-infused blends. Its high-flow design allows for quicker print times without sacrificing detail, making it ideal for functional prototypes, detailed parts, and production-style projects. Built with a hardened steel nozzle for long-lasting wear resistance and consistent extrusion, this complete hotend assembly ensures reliability, smooth layering, and professional-quality results across demanding print jobs.

| 0.2 mm Nozzle | 0.4 mm Nozzle | 0.6 mm Nozzle | 0.8 mm Nozzle | |
|---|---|---|---|---|
| Usage scenario | Perfect for small and intricate models, with precision that's worth the wait | Ideal for everyday use with the perfect balance of speed and quality | Faster speeds and capable of printing high-performance filaments, with some decrease in resolution | Faster speeds and capable of printing high-performance filaments, with some decrease in resolution |
| Commonly used for | Miniature models Intricate logos Text Molds |
Toys Mechanical parts Decorative objects |
Large structural parts Functional parts for household Industrial or engineering parts High-strength models |
Large structural parts Functional parts for household Industrial or engineering parts High-strength models |









