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E3D Revo High-Temperature Abrasive Nozzle 0.4mm for Prusa Pro HT90 3D Printer - up to 500 °C - CrN Coating
E3D Revo HT Abrasive 0.4 mm nozzle for printing at up to 500 °C in the Prusa Pro HT90 printer.
- Hardened steel tip with abrasion-resistant CrN coating
- For abrasive high-temperature materials, e.g. PEI CF and PEKK CF
- Hand replacement together with the integrated heat break
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Revo nozzle for printing at up to 500 °C
E3D Revo High-Temperature Abrasive 0.4 mm is an abrasion-resistant nozzle for the Prusa Pro HT90 printer. The hardened steel tip and copper body have a chromium nitride (CrN) coating. It increases resistance to abrasion and corrosion and reduces material sticking.
With it you can print abrasive high-temperature materials such as carbon fiber PEI (PEI CF) and PEKK CF at temperatures of up to 500 °C. The 0.4 mm diameter is smaller than the standard 0.6 mm in the HT90 high-temperature hotend. Prefer a larger opening? Choose the 0.6 mm nozzle from the same series. Both nozzles screw in by hand, without tools.

Revo HT-A nozzle with the 0.40 diameter engraved on it
500 °C
maximum printing temperature
0.4 mm
nozzle orifice diameter
CrN
abrasion-resistant chromium nitride coating

Botland is a reseller of Prusa 3D printers in Poland. Buying from us means original equipment from a warehouse inside the country and fast technical support. We also offer a professional service in Poland and original spare parts.
Is it the right choice for you?
A good choice if:
- You print on a Prusa Pro HT90 with abrasive materials, e.g. PEI CF and PEKK CF
- You need a nozzle smaller than the standard 0.6 mm in the HT hotend
- You print at up to 500 °C in a high-temperature hotend
Consider another option if:
- You have a Prusa printer with a Nextruder, e.g. MK4S or XL: ObXidian nozzle 0.4 mm
- You print with filament containing large filler particles: Revo HT-A 0.6 mm nozzle
Did you know
Brassy shine after cleaning with a brush
The HT-Abrasive nozzle coating is so hard that when cleaning with a brass brush, tiny brass particles break off the bristles and settle on the nozzle. The nozzle then takes on a brassy shine. Prusa Research states that the coating itself remains intact and continues to protect the nozzle from abrasion, so the shine does not affect its durability.
Frequently asked questions
How do I replace the nozzle in a Prusa Pro HT90 printer?
Select nozzle replacement in the menu and wait until the nozzle cools below 60 °C. You can unscrew the old one by hand. After screwing in the new one, select the HT-A type and 0.4 mm diameter, then save.
Is the 0.4 mm nozzle suitable for filaments with fibers?
Yes, but E3D points out that the filler particles in some filaments are close to 0.4 mm in size, which increases the risk of clogging. You will find the recommended minimum nozzle diameter on the filament's data sheet.
Does the nozzle fit Prusa printers with a Nextruder?
No. The manufacturer states that Prusa printers with the Nextruder hotend, including the MK4S, CORE One and XL, are not compatible with the HT-A nozzle. It fits the Prusa Pro HT90, which uses quick-change Revo nozzles.
Technical specifications
| Parameter | Value |
|---|---|
| Manufacturer | E3D, distributed by Prusa Research |
| Type | Revo high-temperature, abrasion-resistant nozzle (HT-A) |
| Nozzle orifice diameter | 0.4 mm |
| Maximum printing temperature | 500 °C |
| Construction | hardened steel tip, copper body |
| Coating | chromium nitride (CrN) |
| Heat break | integrated with the nozzle |
| Marking | gray color, diameter engraved on the nozzle |
| Compatible printer | Prusa Pro HT90 |
| Intended use | high-temperature abrasive materials, e.g. PEI CF and PEKK CF |
| Replacement | manual, tool-free |
Useful links
Data according to the manufacturer (Prusa Research product page, Prusa Research knowledge base for the Prusa Pro HT90 printer, E3D description of Revo HTA nozzles), as of November 2026.
| Name | Value |
|---|---|
| Prusa - model | HT90 |
| Width | 6 cm |
| Height | 2.5 cm |
| Depth | 4 cm |
| Weight | 0.03 kg |
The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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E3D Revo High-Temperature Abrasive Nozzle 0.4mm for Prusa Pro HT90 3D Printer - up to 500 °C - CrN Coating
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