DUROZZLE RUBY-AD5X-04-UK Ruby Nozzle, 0.4 mm

DUROZZLE RUBY-AD5X-04-UK is a 0.4 mm ruby-tip nozzle listed as compatible with the Flashforge AD5X. The maker claims its ruby tip and nickel coating resist wear from abrasive filaments, while its standard diameter is also described as suitable for common materials such as PLA, ABS, PETG and TPU.

At a glance

Listed for the Flashforge AD5X and specified with a 0.4 mm opening.
Ruby tip is claimed to withstand abrasion from carbon-fibre, glass-infused and metal-filled filaments.
The maker says a nickel coating resists wear, material debris sticking and copper oxidation.
A funnel-shaped internal design is claimed to reduce material build-up in dead corners and lower blockage risk.

Price

£18.32Save 20%

Reference price: ~~£22.90~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The ruby tip is intended for abrasive filament use, where nozzle wear can be a consideration.
The stated 0.4 mm size and listed AD5X compatibility make the intended fit and diameter clear.
The maker also lists common materials including PLA, ABS, PETG and TPU.

Technical specifications

12 specifications

Identity
Brand	DUROZZLE
Part/model number	RUBY-AD5X-04-UK
Nozzle diameter	0.4mm
Tip material	Genuine ruby

Compatibility and materials
Listed printer compatibility	Compatible with Flashforge AD5X 3D Printer;
Filament materials described	carbon fiber, glass-infused materials, or metal-filled filaments
Other materials described	PLA, ABS, PETG, TPU

Construction claims
Surface coating	nickel coating
Nozzle shape	Funnel shaped

Dimensions and installation
Weight listed	30 g
Package dimensions	7.4 x 3.2 x 2.1 cm; 30 g
Package quantity listed	1

What to know before buying

The nozzle is listed as compatible with the Flashforge AD5X. Confirm that this replacement part matches your printer's nozzle assembly before purchase. Claims about abrasion resistance, reduced blockage and longer service life come from the manufacturer and are not independently verified here.

Who is it for?

A good fit for

Flashforge AD5X owners seeking a listed 0.4 mm replacement nozzle.
Users printing abrasive filaments who want a ruby-tip nozzle.
Users who also print listed everyday materials such as PLA, ABS, PETG or TPU.

Less suited to

Owners of other printer models unless compatibility is confirmed.
Buyers needing a different nozzle diameter.

DUROZZLE RUBY-AD5X-04-UK Ruby Nozzle, 0.4 mm · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 6 ratings

5 stars68%68%
4 stars32%32%
3 stars0%0%
2 stars0%0%
1 star0%0%

Aggregate customer ratings are positive overall, with the available distribution showing four- and five-star ratings. The small sample offers limited insight into performance or fit, and no written customer feedback is provided to explain the ratings. For AD5X buyers, confirm nozzle fit separately and treat the ruby-tip durability claims as manufacturer claims rather than customer-established results.