What this 0.6mm Prusa nozzle is for

The E3D ObXidian Prusa Nozzle for MK4/XL - 0.6mm is a high-quality 3D printing nozzle made specifically for Prusa’s Nextruder. It fits the Prusa MK4 and XL, adds an all-metal filament guide to the filament path, and supports reliable printing with faster nozzle changes.

An all-metal filament path helps improve overall printer reliability. The Nextruder setup also makes nozzle changes quicker, so switching between materials and nozzle sizes takes less time.

Key features of the E3D ObXidian nozzle

• Built for Prusa Nextruder: Designed specifically for use with Prusa’s latest extruder system.
• Compatible with MK4 and XL: Made for Prusa MK4 and Prusa XL 3D printers.
• All-metal filament guide: Keeps the Nextruder filament path entirely metal for improved reliability.
• Very high wear resistance: E3D states that ObXidian offers wear resistance orders of magnitude higher than any other E3D nozzle.
• Made for abrasive and filled polymers: The hard-wearing design makes the nozzle a strong choice for abrasive materials.
• Tool steel insert with E3DLC™ coating: This construction is used to achieve the nozzle’s durability and surface performance.
• Reduced plastic build-up: The specially formulated coating adds non-stick properties, resulting in considerably less plastic build-up around the nozzle.
• Simplified nozzle changes: The design supports speedier nozzle changing on Prusa printers.
• Easy size identification: Each nozzle has its size engraved into it.

Why the ObXidian design matters for abrasive filament printing

Printing abrasive or filled polymers can wear standard nozzles quickly. ObXidian addresses that problem by pairing a tool steel insert with E3DLC™ coating, creating a very hard nozzle that is better suited to demanding filament types.

The non-stick coating also helps keep the nozzle cleaner during use. Less plastic build-up around the nozzle can make day-to-day printing easier to manage, especially when working with materials that tend to leave residue.

Use cases for a 0.6mm Prusa MK4 or XL nozzle

A 0.6mm nozzle is useful when you want a balance between throughput and print detail. It suits makers and small-batch users who want to change materials more easily, print filled or abrasive filaments more confidently, and keep a durable nozzle in regular rotation on a Prusa MK4 or XL.

The engraved size marking also makes the nozzle practical for users who keep multiple nozzle sizes on hand. Faster identification and simplified nozzle swaps support experimentation with different print setups and materials.

Important safety notice

WARNING: This product can expose you to chemicals including Mineral Oils, which is known to the State of California to cause cancer, and Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm.