Phaetus Conch Hotend M4 EndCoat Nozzle for Bambu Lab

Engineered for endurance. Optimized for performance.

The Conch M4 EndCoat™ Nozzle by Phaetus is a high-durability upgrade designed specifically for the Bambu Lab A1 and A1 Mini 3D printers. Built from hardened steel and enhanced with Phaetus’s proprietary EndCoat™ surface treatment, this nozzle delivers exceptional wear resistance—making it ideal for abrasive and high-temperature filaments.

Unlike standard nozzles, the EndCoat™ variant boasts a surface hardness of HV3300, which translates to up to 2.5× longer service life. As a result, you can print confidently with carbon fibre, glass-filled, metal, or wood-based composites without frequent replacements.

Moreover, the nozzle supports temperatures up to 500 °C, ensuring compatibility with a wide range of engineering-grade materials. Whether you’re printing PLA or pushing the limits with tungsten or boron carbide blends, the Conch M4 nozzle keeps extrusion consistent and reliable.

Key Specifications

• Material: Hardened steel with EndCoat™ coating
• Hardness: HV3300
• Max Temperature: 500 °C
• Filament Diameter: 1.75 mm
• Nozzle Sizes: 0.2 mm, 0.4 mm, 0.6 mm, 0.8 mm
• Compatibility: Phaetus Conch M4 Hotend for Bambu Lab A1 & A1 Mini

Why Choose the EndCoat™ Nozzle?

• Withstands abrasive filaments like CF, GF, steel, and wood
• Maintains dimensional accuracy over long print jobs
• Reduces downtime thanks to extended lifespan
• Swaps easily with modular M4 hotend design

In short, the Phaetus Conch M4 EndCoat™ Nozzle is a smart investment for makers who demand durability without compromising print quality. It’s not just a nozzle—it’s a long-term extrusion solution.