Brass Nozzle Set for Elegoo Neptune 4 Plus / 4 Max — 0.4 mm ×4, 0.6 mm ×2, 0.8 mm ×2, 1.0 mm ×2

This brass nozzle set is designed for the Elegoo Neptune 4 Plus and Neptune 4 Max printers and provides a range of nozzle diameters to suit different print goals. The kit contains four 0.4 mm nozzles for standard, detailed printing and two each of 0.6 mm, 0.8 mm and 1.0 mm nozzles for faster extrusion, increased layer bonding or coarse-detail parts. Brass construction offers good thermal conductivity and general compatibility with common thermoplastics when abrasive fillers are not used. The set also includes basic maintenance accessories to simplify nozzle swaps and cleaning.

Advantages

The set offers flexibility through multiple diameters, enabling a balance between print resolution and speed without changing the printer hardware. Brass nozzles heat up and transfer heat efficiently, which helps stabilize melt flow for PLA, ABS, PETG and similar filaments. Multiple spare 0.4 mm nozzles reduce downtime for users who print detailed parts frequently, while larger diameters accelerate infill and rough prototypes. Included cleaning needles and a wrench make routine maintenance and nozzle replacement straightforward.

Suitable for

• Precision models and small parts using 0.4 mm nozzles
• Faster prints, thicker layers and stronger infill with 0.6–1.0 mm nozzles
• General-purpose FDM/FFF printing with non-abrasive filaments (PLA, ABS, PETG)
• Users who need spare nozzles and basic maintenance tools for the Neptune 4 Plus / 4 Max

When it may not be suitable

This brass nozzle set is not recommended for printing highly abrasive filaments (for example filaments with significant carbon fiber, metal, or glow-in-the-dark additives) because brass wears faster than hardened steels or coated nozzles. It also does not change printer electronics or hotend geometry; ensure the nozzle size and thermal settings are compatible with your chosen print profiles.

Key specifications

• Compatible printers: Elegoo Neptune 4 Plus, Elegoo Neptune 4 Max
• Nozzle material: brass
• Nozzle diameters included: 0.4 mm ×4, 0.6 mm ×2, 0.8 mm ×2, 1.0 mm ×2
• Accessories: cleaning needles, nozzle wrench, storage container

How to use

Turn off and cool the hotend before changing a nozzle. Heat the hotend to a working temperature to soften any residual filament, then power down and use the included wrench to remove the old nozzle once it has cooled slightly to a safe handling temperature. Install the chosen brass nozzle and tighten to the manufacturer-recommended torque while the heater is at a low operational temperature to ensure proper sealing. After replacement, recalibrate nozzle height and run a test print to verify extrusion and print quality. Use the cleaning needles to clear partial clogs and perform routine maintenance as needed.

What to consider before purchase

• Brass is suitable for non-abrasive filaments; choose a hardened or coated nozzle for abrasive materials
• Confirm mechanical compatibility with the Neptune 4 Plus / 4 Max hotend assembly and thread type
• Adjust slicer settings (nozzle diameter, flow, layer height) after changing nozzle size
• Keep spares and maintenance tools accessible to reduce printer downtime

Usage recommendations

For detailed parts use the 0.4 mm nozzles with finer layer heights and reduced print speed. For larger prototypes or faster infill, switch to 0.6–1.0 mm nozzles and increase layer height and extrusion width accordingly. Avoid abrasive filaments with brass nozzles and perform regular cleaning with the included needles to maintain consistent flow.