Stainless Steel Nozzle Hot End Kit for Bambu Lab A1 / A1 Mini

Upgrade or replace the hot end on your Bambu Lab A1 or A1 Mini with this pre-assembled stainless steel nozzle hot end kit. Available in four nozzle diameters, this integrated assembly delivers fast, tool-minimal installation and improved wear resistance over standard brass nozzles — ideal for a wide range of printing materials.

Compatibility

• for Bambu Lab A1
• for Bambu Lab A1 Mini

⚠️ This kit is designed for the A1 / A1 Mini only. It is not compatible with the X1 or P1 series.

Available Nozzle Sizes

• 0.2mm — Best for highly detailed micro models requiring maximum precision
• 0.4mm — Standard universal size; best all-round choice for most printing jobs
• 0.6mm — Faster prints with slightly thicker layer lines; good balance of speed and detail
• 0.8mm — Maximum speed and strength; ideal for functional parts and large prints with thicker layers

Key Features

• ✅ Integrated Hot End Assembly: Heating block, insulation block, and nozzle come pre-assembled — simply unplug two wires and unscrew one clamp to swap in minutes
• ✅ Stainless Steel Nozzle: More wear-resistant than brass; compatible with standard PLA, PETG, ABS, and semi-abrasive materials such as glow-in-the-dark and wood-filled filaments
• ✅ Wide Material Compatibility: Suitable for PLA, PETG, ABS, and most composite filaments
• ✅ Smooth Extrusion: Precision-machined nozzle bore for consistent filament flow and clean print surfaces

Material Notes

Stainless steel nozzles offer better abrasion resistance than brass and are suitable for semi-abrasive filaments (luminescent, wood-filled). For highly abrasive materials such as carbon fibre, glass-filled, or metal-filled filaments, a hardened steel nozzle is still recommended.

Installation

1. Heat the hot end to operating temperature and unload all filament before starting.
2. Allow the hot end to cool to a safe handling temperature (approx. 50°C).
3. Disconnect the two hot end wires from the toolhead PCB.
4. Unscrew the mounting clamp and remove the existing hot end assembly.
5. Seat the new hot end kit, tighten the clamp, and reconnect the wires.
6. Run Bambu Lab’s built-in calibration (flow rate, first layer) before printing.

⚠️ Always follow Bambu Lab’s official hot end replacement guide. Perform a calibration after any nozzle or hot end change.

Eparts Channel is not responsible for any damage caused during installation.