Hardened Steel Nozzle Hot End Kit for ELEGOO Neptune 4 Pro

Upgrade Your ELEGOO Neptune 4 Pro with a Hardened Steel Nozzle

Give your ELEGOO Neptune 4 / Neptune 4 Pro 3D printer the high-performance upgrade it deserves. This hardened steel hot end nozzle is engineered for high-speed printing, delivering precise, consistent extrusion with every print job. Whether you're a hobbyist or a seasoned maker, this drop-in replacement nozzle is an easy, cost-effective way to extend the life of your hot end assembly and maintain print quality.

Key Features

• Compatible Models: Designed specifically for the ELEGOO Neptune 4 and Neptune 4 Pro 3D printers
• Premium Hardened Steel Construction: Offers excellent durability and wear resistance for long-lasting performance
• High-Speed Printing Ready: Engineered to maintain stable extrusion at elevated print speeds
• Direct Replacement: Fits the original hot end assembly — no modifications required
• Compact & Precise: Dimensions of 8.9 × 3.8 mm (0.35 × 0.15 in) for accurate fit
• Color: Black

Specifications

What's in the Box?

• 1 × Hardened Steel Nozzle (Hot End Kit)

Why Upgrade Your Nozzle?

Over time, standard brass nozzles can wear down, especially when printing abrasive filaments. A hardened steel nozzle provides greater resistance to wear, helping you maintain print precision across a wider range of filament materials including composites and filled filaments. Keeping your hot end in top condition is one of the simplest ways to ensure consistent, high-quality 3D prints.

For more guidance on safe 3D printing practices and material handling, visit the U.S. Consumer Product Safety Commission (CPSC).

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Note: Monitor settings and lighting conditions may cause slight color variations compared to the product images. Please allow minor measurement tolerances for stated dimensions.

Learn more: Anker

Frequently Asked Questions

Q: Is this hardened steel nozzle compatible with both the ELEGOO Neptune 4 and Neptune 4 Pro?

A: Yes, this hot end nozzle kit is designed to be compatible with both the ELEGOO Neptune 4 and Neptune 4 Pro 3D printers, serving as a direct drop-in replacement for the original hot end assembly.

Q: What filament types can I use with this hardened steel nozzle?

A: Hardened steel nozzles are well-suited for standard filaments such as PLA, PETG, and ABS, as well as abrasive composite filaments like carbon fibre-filled or glow-in-the-dark materials, where standard brass nozzles wear out more quickly.

Q: How difficult is it to install this replacement nozzle?

A: Installation is straightforward. The nozzle is designed to fit the existing hot end assembly of the Neptune 4 / Neptune 4 Pro with no modifications needed. It is recommended to swap the nozzle when the hot end is warm (not at full printing temperature) to avoid seizing or damage.

Q: Will this nozzle support high-speed printing?

A: Yes. This nozzle is engineered for high-speed printing performance, maintaining consistent and reliable extrusion even at elevated print speeds typical of the ELEGOO Neptune 4 series.