Phaetus Phaetus Conch Hotend for Bambu Labs H2D - 1.75mm x 0.60mm

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The Conch Hotend is a high-performance 3D printer hotend upgrade, built from hardened steel with a precision, wear-resistant coating that delivers exceptional abrasion resistance and up to 2.5 times the nozzle life of standard hardened steel nozzles. Its copper heat block supports high-temperature printing up to 500°C, while a low-thermal-conductivity ceramic insulator enables stable extrusion of advanced materials like PA-CF. An optimized cooling system with angled dendritic fins improves heat dissipation, and a hollow-chamber extension helps prevent clogs caused by thermal expansion.

  • Perfectly compatible with the H2D, and A1 Series of Bambu Lab 3D printers.
  • The Conch Hotend delivers long-lasting wear resistance.
  • Delivers smooth filament flow, minimal residue, and higher extrusion speeds
  • Features an easy-to-remove nozzle for quick swaps.
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Phaetus Conch Hotend for Bambu Labs

Perfect Fit for Bambu Lab H2D & A1 Series

The upgraded Phaetus Conch Hotend is made from highly resistant materials, making it ideal for demanding applications. It is specifically designed for advanced filaments and features an innovative cooling structure that ensures a stable material flow, thanks to precise micron-level assembly tolerances. Additionally, it offers easy installation and removal.

Key Features of the Phaetus Conch Hotend for Bambu Labs:

  • Ultra wear-resistant coating engineered for industrial components.
  • Made for advanced materials such as CF, GF, Tungsten, and more!
  • Designed with an efficient cooling structure.
  • Precision manufacturing down to microscopic levels.
  • 30-second nozzle removal.

Ultra Wear-Resistant Nozzle

Built for high-wear 3D printing, the Conch Hotend H2D uses EndCoat ultra wear-resistant coating on critical areas to dramatically extend nozzle life when 3D printing abrasive materials. Get consistent extrusion and longer-lasting performance than ordinary hardened steel nozzles.

  • Up to 2.5× longer service life, reducing replacement costs.
  • HV3300 coating hardness improves abrasion resistance on nozzle tips and heatbreak throats.
  • Ideal for abrasive filaments such as PA-CF (carbon fiber), glass fiber, wood, steel-filled, tungsten, boron carbide, and Phosphor pigments.
  • Helps maintain nozzle geometry longer for more consistent line width and print quality over time.

Stable High-Temp 3D Printing

Designed for high-temperature materials, the copper heat block delivers fast heat transfer up to 500°C while the ceramic insulator strengthens the thermal barrier for stable extrusion. This combination supports reliable printing of engineering filaments like PA-CF.

  • Copper heat block (500°C rated) for fast heat conduction and responsive temperature control.
  • Low-thermal-conductivity ceramic insulator reduces heat creep and improves thermal stability.
  • More reliable extrusion with high-temp filaments (including PA-CF).
  • Helps reduce under-extrusion and inconsistency during long, high-temperature 3D prints.
  • View our selection of High Temperature 3D Printer Filament.

Ultimate Cooling Design

The Conch Hotend H2D cooling system is engineered to keep the cold zone cool and the melt zone stable, reducing heat-related jams. Angled dendritic fins and a hollow-chamber extension work together to improve heat dissipation and clog resistance.

  • Angled dendritic fins increase surface area for rapid heat dissipation.
  • Hollow-chamber extension design helps prevent clogs from thermal expansion.
  • Supports stable printing across a wider range of speeds and materials.
  • Improves reliability for long 3D prints and abrasive filament workflows.

Print Head Temperature Gradient


High-Speed, Micron-Precision Extrusion

Manufactured to micron-level tolerances, Conch delivers smooth filament flow and higher throughput for faster printing without sacrificing consistency. It’s a plug-and-play hotend upgrade for Bambu Lab H2D and A1 series printers.

  • Ra ≤ 0.2 μm inner bore for smoother flow and reduced residue buildup.
  • Micron-level assembly tolerances help prevent material leakage at the source.
  • Up to 50 mm³/s (H2D) and 40 mm³/s (A1/A1 mini) for up to 25% higher flow rate.
  • Perfect fit for the Bambu Lab H2D, A1, and A1 Mini with zero modifications required!

Technical Specifications

Nozzle Diameter
  • Ф0.20
  • Ф0.40
  • Ф0.60
  • Ф0.80
Product Color Black
Product Net Weight 22g
Printing Temperature 350°C
Applicable Machine
Accessories List

1 x H5 Open-End Wrench

1 x H3 Box-End Wrench

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