Bambu: Hotend - A1 Series 0.4mm hotend with hardened steel nozzle (FAH019)

The 0.4mm nozzle is widely recognized as the standard nozzle diameter for modern 3D printers due to its optimal balance between print quality and print speed. This nozzle size is utilized in Bambu Lab A1 Series 3D printer.

Smaller diameter extrudes thin filaments
High resolution on the horizontal print surface