The Bambu Lab Standard Flow 0.4mm Hardened Steel Nozzle Hotend is a durable, precision-built upgrade for Bambu Labs H2D, H2S, H2C, and P2S printers, delivering consistent extrusion and long-lasting performance across the H2 and P2 Series. Designed to handle abrasive filaments like carbon fiber, glow-in-the-dark, and metal-filled materials, this hardened steel nozzle resists wear far better than brass while maintaining excellent detail and print reliability. The 0.4mm size offers an ideal balance of speed and accuracy, making it well suited for functional parts, prototypes, and everyday prints, while ensuring smooth layer lines, reduced clogging, and dependable results for demanding projects.

| 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 |









