Bambu Lab High Flow Hotend , Hardened steel, 0.4mm | H2D - klon
Bambu Lab High Flow Hotend , Hardened steel, 0.4mm | H2D - klon
Alternative (cloned) High Flow hotend with a 0.4 mm hardened steel nozzle for Bambu Lab H2D series printers. Handles high flow rates and abrasive filaments.
✔️ 0.4 mm nozzle diameter - universal choice for detail and speed
✔️ Hardened steel - resistance to abrasive filaments (CF, GF, metal)
✔️ One-piece design eliminates leaks
✔️ High flow for fast printing on H2D
✔️ Compatible with 1.75 mm filament
✔️ Full-fledged replacement for the original at a lower price
✔️ Installation without printer modifications Show more
Alternative (cloned) High Flow hotend with a 0.4 mm hardened steel nozzle for Bambu Lab H2D series printers. Handles high flow rates and abrasive filaments.
✔️ 0.4 mm nozzle diameter - universal choice for detail and speed
✔️ Hardened steel - resistance to abrasive filaments (CF, GF, metal)
✔️ One-piece design eliminates leaks
✔️ High flow for fast printing on H2D
✔️ Compatible with 1.75 mm filament
✔️ Full-fledged replacement for the original at a lower price
✔️ Installation without printer modifications Show more
The High Flow hotend with a 0.4 mm hardened steel nozzle is an alternative (cloned) replacement for the original heater block for Bambu Lab H2D series printers. The one-piece design with optimized melting zone geometry enables significantly higher material flow, so it handles fast printing of abrasive filaments such as PLA-CF, PET-CF or PA-GF without loss of detail.
High flow for fast printing

The High Flow hotend design extends the melting zone and improves heat transfer into the filament, allowing it to handle a substantially higher volumetric flow than a standard nozzle. In practice, this means shorter print times for larger parts and stable extrusion even at the aggressive speeds offered by the H2D series printers.
Hardened steel withstands abrasive materials

Both the nozzle and the internal channel are made of hardened steel, so they easily handle filaments filled with carbon fibers, glass or metal powder. An ideal choice if you print materials from the Carbon, Nylon or Polycarbonate categories.
One-piece construction
The hotend is designed as a single solid block, which eliminates leaks between the nozzle and heatbreak and simplifies replacement. There is no need for tedious disassembly or dealing with plastic leaks at the interface - simply swap the entire module.
0.4 mm nozzle diameter - a universal choice
The 0.4 mm diameter is the gold standard, balancing detail and speed. It handles precise mechanical parts as well as larger functional prints. If you plan to expand to other sizes, take a look at the Nozzles category.
Compatibility with H2D printers
The hotend is designed to match the dimensions and construction of the original for Bambu Lab H2D printers (and other H2 series models). Installation is the same as with the original part - no printer modifications are required.
Support for 1.75 mm filament
The hotend works with standard 1.75 mm filament, so it is compatible with the entire portfolio of materials - from common PLA and PETG through ABS and ASA to technical flexible materials.
Quick replacement without compromise
The cloned version is functionally identical to the original but at a significantly lower price - ideal as a spare part to keep in stock or for users who print a lot of abrasive materials and need to replace the hotend more frequently.
Affordable alternative
For a fraction of the price of the original part, you get a full-fledged replacement with parameters matching the original. Suitable for workshops, print farms and home makers who want to always have a spare hotend on hand.
Technical parameters
| Parameter | Value |
|---|---|
| Hotend type | High Flow, one-piece |
| Nozzle material | Hardened steel |
| Nozzle diameter | 0.4 mm |
| Filament diameter | 1.75 mm |
| Compatibility | Bambu Lab H2D (clone of the original) |
| Suitable materials | PLA, PETG, ABS, ASA, PC, Nylon, CF/GF composites |
| Design | Alternative / compatible replacement |
| Product code | lan_0456 |
Package contents
1x High Flow hotend with 0.4 mm hardened steel nozzle, compatible with Bambu Lab H2D (clone of the original).