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.