Bambu Lab Tungsten Carbide Hotend — H2D / H2S / H2C (left) / P2S / X2D
Carbon-fibre, glass-fibre and metal-filled filaments are abrasive enough to quietly round out a hardened steel nozzle — first you lose dimensional accuracy, then you lose the print. Bambu Lab's tungsten carbide hotend replaces the tip with a material rated HRA 90 against hardened steel's HRA 74, which Bambu quotes as roughly 50% more nozzle life on fibre-reinforced filaments. It's a genuine quick-swap part: the heating assembly stays on the printer and the hotend releases on a latch, so a change takes minutes with almost no tools.
HRA 90 tungsten carbide 350 °C max Quick-release latch Standard or High Flow 0.4 / 0.6 / 0.8 mm
Six configurations, two decisions
Every option in this listing uses the same tungsten carbide tip and the same 350 °C, 49.2 mm hotend body. You're choosing two things: the flow tier (how much molten plastic the hotend can push per second) and the nozzle size (how much it lays down per pass).
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Standard Flow — the same melt-zone design as the hotend your printer shipped with, rated to 40 mm³/s. Right for detail work, mixed hobby printing and anyone who just wants a tougher nozzle.
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High Flow — an optimised, longer melt zone rated to 65 mm³/s, which Bambu quotes as up to 62.5% higher max volumetric speed and up to 30% off print time. Right when the printer is your bottleneck.
Which configuration is right for you?
| Configuration |
Best for |
Trade-off |
| Standard Flow · 0.4 mm |
Fine detail, small text, the widest material list; a like-for-like upgrade from the stock nozzle size |
Slowest of the six — 24 mm³/s on PLA Basic |
| Standard Flow · 0.6 mm |
All-round functional parts, brackets and CF/GF engineering prints |
Softer small features; silk PLA not recommended |
| Standard Flow · 0.8 mm |
Large jigs, fixtures and enclosures; draft geometry |
Coarse detail; silk PLA not recommended |
| High Flow · 0.4 mm |
Keeping 0.4 mm detail while cutting print time — 40 mm³/s on PLA Basic, 48 on PLA Matte |
Costs more than the standard body; needs a profile flow bump to pay off |
| High Flow · 0.6 mm |
Small-batch production in abrasive engineering filament — the best throughput-to-detail balance |
Not for miniatures or fine lettering |
| High Flow · 0.8 mm |
Maximum throughput: big structural parts, tooling, back-to-back production |
Coarsest finish in the range |
Quick rule of thumb: pick the size for the parts you print and the flow tier for how often you print them. A school lab or weekend maker is well served by Standard Flow; a shop running fibre-filled nylon most days will earn back a High Flow body in machine hours.
Specifications
| Nozzle material |
Tungsten carbide, HRA 90 (hardened steel is HRA 74) |
| Nozzle sizes |
0.4 mm · 0.6 mm · 0.8 mm |
| Max print temperature |
350 °C |
| Max volumetric flow |
Standard Flow 40 mm³/s · High Flow 65 mm³/s |
| Published 0.4 mm flow |
Standard: PLA Basic 24 · PLA Matte 28 · PETG HF 24 mm³/s
High Flow: PLA Basic 40 · PLA Matte 48 · PETG HF 32 mm³/s |
| Hotend length |
49.2 mm |
| Filament diameter |
1.75 mm |
| Nozzle life |
Approx. 50% longer than hardened steel on fibre-reinforced filaments |
| Part numbers |
Standard FAH040 (0.4) / FAH041 (0.6) / FAH042 (0.8)
High Flow FAH043 (0.4) / FAH044 (0.6) / FAH045 (0.8) |
| Compatibility |
H2D, H2D Pro, H2S, H2C (left / lifting hotend only), P2S, X2D |
| In the box |
Hotend with tungsten carbide nozzle ×1 |
| Packed size / weight |
60 × 60 × 30 mm · approx. 26–28 g |
Before you order — three things to check
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H2C owners: this hotend fits the left (lifting) hotend only. The right side on an H2C uses the induction hotend.
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H2D dual-nozzle printing: the dual-nozzle function currently supports only two nozzles of the same size, so buy a matching pair if you run both toolheads.
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Materials: the 0.4 mm nozzle has the widest material support; silk-based PLA isn't recommended at 0.6 or 0.8 mm, and TPU 85A/90A isn't recommended on tungsten carbide at any size.
The hotend separates from the heating assembly on a latch, so your fan, ceramic heater and thermistor stay on the printer — there's no rewiring, no thermal paste and no PID faff. Let the hotend cool fully before swapping.
Who it's for
Makers who've moved past PLA into PLA-CF, PETG-CF or PAHT-CF; small businesses printing end-use parts in fibre-filled nylon; schools and makerspaces that need a nozzle to survive a term of mixed-material student use; and anyone running an H2D, H2S, H2C, P2S or X2D who is tired of replacing steel nozzles.
Shipped from Australia by NE3D Printing
Genuine Bambu Lab parts, stocked locally and dispatched with tracking to metro and regional AU — all prices include GST. There's no plug or power supply to match: the hotend runs off your printer's existing 240 V AC toolhead wiring. Not sure which size or flow tier suits your work? Ask us before you buy.
Standard Flow · 0.4 mm Tungsten Carbide Hotend
The like-for-like upgrade: the nozzle diameter your profiles already assume, with an HRA 90 tungsten carbide tip in place of hardened steel. Bambu rates that tip for roughly 50% more life on fibre-reinforced filament, so PLA-CF, PETG-CF and glass-filled blends stop eating a nozzle every few hundred hours. Standard Flow keeps the familiar 40 mm³/s melt-zone behaviour, and 0.4 mm has the widest material support of the three sizes — ideal for detail parts, small text and tight-tolerance fits.
In the box: hotend with 0.4 mm tungsten carbide nozzle ×1
| Nozzle |
0.4 mm tungsten carbide, HRA 90 |
| Flow tier |
Standard Flow — 40 mm³/s max volumetric |
| Published flow |
PLA Basic 24 · PLA Matte 28 · PETG HF 24 mm³/s |
| Max temperature |
350 °C |
| Length / filament |
49.2 mm · 1.75 mm |
| Part number |
FAH040 |
| Compatibility |
H2D, H2D Pro, H2S, H2C (left/lifting), P2S, X2D |
Shipped from Australia by NE3D Printing
Stocked locally and dispatched with tracking to metro and regional AU — all prices include GST. No plug or power supply to match: the hotend runs off your printer's existing 240 V AC toolhead wiring.
Standard Flow · 0.6 mm Tungsten Carbide Hotend
The practical middle ground for functional printing. A 0.6 mm orifice lays down noticeably more material per pass than 0.4 mm, so brackets, housings and jigs finish sooner and come off the plate stronger — while the HRA 90 tungsten carbide tip holds that larger orifice true through carbon- and glass-filled nylon. Standard Flow body, 40 mm³/s ceiling, 350 °C. Note that silk-based PLA isn't recommended at this size, and TPU 85A/90A isn't recommended on tungsten carbide at all.
In the box: hotend with 0.6 mm tungsten carbide nozzle ×1
| Nozzle |
0.6 mm tungsten carbide, HRA 90 |
| Flow tier |
Standard Flow — 40 mm³/s max volumetric |
| Max temperature |
350 °C |
| Length / filament |
49.2 mm · 1.75 mm |
| Material notes |
Silk PLA not recommended; TPU 85A/90A not recommended |
| Part number |
FAH041 |
| Compatibility |
H2D, H2D Pro, H2S, H2C (left/lifting), P2S, X2D |
Shipped from Australia by NE3D Printing
Stocked locally and dispatched with tracking to metro and regional AU — all prices include GST. No plug or power supply to match: the hotend runs off your printer's existing 240 V AC toolhead wiring.
Standard Flow · 0.8 mm Tungsten Carbide Hotend
For big parts on a deadline. The 0.8 mm orifice means thick extrusions, fewer perimeters per wall and far less time on large geometry — fixtures, tooling, enclosures, architectural massing. The HRA 90 tungsten carbide tip is what makes that practical with abrasive fibre-filled stock, holding its size roughly 50% longer than hardened steel. Standard Flow body, 40 mm³/s ceiling, 350 °C. Silk-based PLA isn't recommended at this size, and TPU 85A/90A isn't recommended on tungsten carbide.
In the box: hotend with 0.8 mm tungsten carbide nozzle ×1
| Nozzle |
0.8 mm tungsten carbide, HRA 90 |
| Flow tier |
Standard Flow — 40 mm³/s max volumetric |
| Max temperature |
350 °C |
| Length / filament |
49.2 mm · 1.75 mm |
| Material notes |
Silk PLA not recommended; TPU 85A/90A not recommended |
| Part number |
FAH042 |
| Compatibility |
H2D, H2D Pro, H2S, H2C (left/lifting), P2S, X2D |
Shipped from Australia by NE3D Printing
Stocked locally and dispatched with tracking to metro and regional AU — all prices include GST. No plug or power supply to match: the hotend runs off your printer's existing 240 V AC toolhead wiring.
High Flow · 0.4 mm Tungsten Carbide Hotend
Speed without dropping to a coarser nozzle. The High Flow body's optimised melt zone lifts the hotend ceiling from 40 to 65 mm³/s — up to 62.5% higher max volumetric speed, and up to 30% less time per print — while the 0.4 mm tungsten carbide tip keeps the detail you'd lose at 0.6 or 0.8 mm. Published figures: PLA Basic 40 mm³/s (against 24 on the standard body), PLA Matte 48 (against 28), PETG HF 32 (against 24). The tip is the same HRA 90 carbide, good for roughly 50% more life on fibre-reinforced filament.
In the box: High Flow hotend with 0.4 mm tungsten carbide nozzle ×1
| Nozzle |
0.4 mm tungsten carbide, HRA 90 |
| Flow tier |
High Flow — 65 mm³/s max volumetric |
| Published flow |
PLA Basic 40 · PLA Matte 48 · PETG HF 32 mm³/s |
| Max temperature |
350 °C |
| Length / filament |
49.2 mm · 1.75 mm |
| Part number |
FAH043 |
| Compatibility |
H2D, H2D Pro, H2S, H2C (left/lifting), P2S, X2D |
Shipped from Australia by NE3D Printing
Stocked locally and dispatched with tracking to metro and regional AU — all prices include GST. No plug or power supply to match: the hotend runs off your printer's existing 240 V AC toolhead wiring.
High Flow · 0.6 mm Tungsten Carbide Hotend
The configuration to pick when the printer is a production tool. A 0.6 mm orifice moves more material per pass, the High Flow melt zone feeds it (65 mm³/s against 40 on the standard body — up to 62.5% higher max volumetric speed and up to 30% less print time), and the HRA 90 tungsten carbide tip handles PA6-CF, PET-CF and glass-filled blends without opening up. Best overall balance of throughput and usable detail for small-batch functional parts. Silk-based PLA isn't recommended at this size, and TPU 85A/90A isn't recommended on tungsten carbide.
In the box: High Flow hotend with 0.6 mm tungsten carbide nozzle ×1
| Nozzle |
0.6 mm tungsten carbide, HRA 90 |
| Flow tier |
High Flow — 65 mm³/s max volumetric |
| Max temperature |
350 °C |
| Length / filament |
49.2 mm · 1.75 mm |
| Material notes |
Silk PLA not recommended; TPU 85A/90A not recommended |
| Part number |
FAH044 |
| Compatibility |
H2D, H2D Pro, H2S, H2C (left/lifting), P2S, X2D |
Shipped from Australia by NE3D Printing
Stocked locally and dispatched with tracking to metro and regional AU — all prices include GST. No plug or power supply to match: the hotend runs off your printer's existing 240 V AC toolhead wiring.
High Flow · 0.8 mm Tungsten Carbide Hotend
The fastest option in the range: the widest nozzle on the High Flow body, rated to 65 mm³/s against 40 mm³/s for standard flow. Thick single-pass walls plus a melt zone that can actually supply them means large structural parts, workshop tooling and back-to-back production runs come off the plate dramatically sooner — and the HRA 90 tungsten carbide tip survives the fibre-filled filament those jobs usually call for. Not the choice for fine detail; silk-based PLA isn't recommended at this size and TPU 85A/90A isn't recommended on tungsten carbide.
In the box: High Flow hotend with 0.8 mm tungsten carbide nozzle ×1
| Nozzle |
0.8 mm tungsten carbide, HRA 90 |
| Flow tier |
High Flow — 65 mm³/s max volumetric |
| Max temperature |
350 °C |
| Length / filament |
49.2 mm · 1.75 mm |
| Material notes |
Silk PLA not recommended; TPU 85A/90A not recommended |
| Part number |
FAH045 |
| Compatibility |
H2D (left or right), H2D Pro, H2S, H2C (left/lifting), P2S, X2D |
Shipped from Australia by NE3D Printing
Stocked locally and dispatched with tracking to metro and regional AU — all prices include GST. No plug or power supply to match: the hotend runs off your printer's existing 240 V AC toolhead wiring.
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