Bambu Lab 0.4mm Hotend Assembly with Hardened Steel Nozzle - A1 Series
Item number: FAH019
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Highlights of different nozzle diameters
0.2 mm Nozzle
Optimal print precision
Extremely small layer heights
More detailed on the vertical print surface

0.2 mm Nozzle
Optimal print precision
Smaller diameter extrudes thin filaments
High resolution on the horizontal print surface

0.6 mm and 0.8 mm nozzle openings
Higher printing speed
A larger diameter extrudes more filament per second, resulting in a higher print speed

The 0.4 mm nozzle is generally recognized as the standard nozzle diameter for modern 3D printers due to the optimal balance between print quality and print speed. This nozzle size is used in the Bambu Lab A1 series 3D printer.
Filament compatibility
| Material | 0.2 mm nozzle | 0.4 mm nozzle | 0.6 mm nozzle | 0.8 mm nozzle | Hardened steel required? |
| General PLA | YES | YES | YES | YES | Optional |
| PLA Sparkle | *①NO | YES | YES | YES | Optional |
| PLA Marble | *①NO | YES | YES | YES | Optional |
| Wood/Stone/Metal-filled PLA | *①NO | YES | YES | YES | Optional |
| PETG | YES | YES | YES | YES | Optional |
| PVA | YES | YES | YES | YES | Optional |
| ABS | YES | YES | YES | YES | Optional |
| ASA | YES | YES | YES | YES | Optional |
| PC | YES | YES | YES | YES | Optional |
| PA | *①NO | YES | YES | YES | Optional |
| TPU | *①NO | YES | YES | YES | Optional |
| Bambu PLA-CF | *①NO | *②Recommended | YES | YES | Required |
| Bambu PETG-CF | *①NO | *②Recommended | YES | YES | Required |
| Bambu PAHT-CF | *①NO | YES | *③Recommended | YES | Required |
| Bambu PET-CF | *①NO | YES | *③Recommended | YES | Required |
| CF/GF filaments from other brands | *①NO | Not recommended | YES | YES | Required |
[*Note]
*① Filaments with carbon fiber, glass fiber, metal or other inorganic particles can clog a 0.2 mm nozzle.
*② Bambu PLA-CF and Bambu PETG-CF have been extensively tested and have proven to have a low risk of clogging when printing with a 0.4 mm hardened steel nozzle, while also achieving higher print quality.
*③ For general carbon fiber or glass fiber filaments such as Bambu PAHT-CF and PET-CF, it is recommended to use a 0.6 mm hardened steel nozzle to minimize the risk of clogging and wear.
In the box
- Hotend with nozzle
Compatibility
A1 series
Product specifications
| Max. Printing temperature | 300 ℃ | Length | 47.3 mm |
| Packaging weight | 30 g | Packaging size | 60*60*30 mm |
Free Delivery
- Shipping costs are €5.95. If your order is over €99, shipping is free.
- Order before 5:00 PM, delivered the next day
Simple Return Process
- Product not what you expected? No problem! You can easily return the product you purchased within 30 days.
We offer a 2-year warranty on our products.


