Phaetus Conch Hotend M4 for Bambulab A1/A1 Mini

Compact. Durable. Ready for composites.

The Conch M4 Hotend by Phaetus is a high-performance, wear-resistant upgrade for the Bambu Lab A1 and A1 Mini printers. Engineered for precision and longevity, it features a replaceable EndCoat™ nozzle with a surface hardness of HV3300, delivering up to 2.5× the lifespan of standard hardened steel nozzles.

With a flow rate of 30 mm³/s and a temperature ceiling of 320 °C, the M4 is built to handle everything from PLA and TPU to abrasive composites like carbon fibre, glass-filled nylon, and even exotic filaments like tungsten or boron carbide.

Key Features:

• Compatible with Bambu Lab A1 & A1 Mini
• Modular M4 EndCoat™ nozzle for easy swaps
• Titanium alloy heatbreak for thermal isolation
• Copper-coated heater block for efficient heat transfer
• Rigid kinematic coupling reduces impact damage and simplifies maintenance
• Supports a wide range of materials, including industrial composites

 Comparison between Conch Hotend™ M4 & Conch Hotend™ Plus:

Note: Heating cartridge and thermistor are not included—reuse your stock components or upgrade separately.

Whether you’re chasing print quality, material versatility, or long-term reliability, the Conch M4 is a smart, serviceable upgrade that keeps your Bambu Lab printer running at peak performance.