Bambu Lab Multi-Size Hotends Kit — X1C / P1 Series

Bambu Lab Multi-Size Hotends Kit — X1C / P1 Series

One nozzle size cannot do everything well. A 0.4 mm is a sensible default, but it is slow on a big enclosure and too coarse for a 28 mm miniature. This kit gives your X1 Carbon, P1P or P1S a matched set of genuine Bambu Lab hotends in different nozzle sizes, so you can pick the right one for the job in about a minute.

Crucially, each size comes in its own complete hotend assembly rather than as a loose nozzle. There is no hot-tightening, no cold-pull, no risk of cross-threading a nozzle into a heat block at 250 °C. You release two screws, lift the hotend out, drop the next one in, and run a quick calibration. Keeping each nozzle size permanently seated in its own hotend also means no purge-and-contaminate between material changes.

Genuine Bambu Lab X1C · P1P · P1S Standard flow Hardened steel nozzles Two-screw swap

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Which configuration is right for you?

All three configurations contain the same genuine Bambu Lab standard-flow hotends — they differ only in which nozzle sizes are included. The key question is whether you want a replacement 0.4 mm, because only the four-hotend set includes one.

Configuration	Hotends	Best for
0.2 mm + 0.6 mm	2	The popular starting point. Adds fine detail and faster large prints either side of the stock 0.4 mm you already own. Ideal for hobbyists who want more range without over-buying.
0.2 mm + 0.6 mm + 0.8 mm	3	For makers who often print big. Adds the fastest standard-flow size for enclosures, tooling, fixtures and cosplay. Still assumes you keep your stock 0.4 mm.
0.2 mm + 0.4 mm + 0.6 mm + 0.8 mm	4	The complete set, and the only one including a 0.4 mm — in hardened steel, so it upgrades rather than duplicates your stock hotend. Best value per hotend; suits schools, maker spaces and small production.

What each nozzle size is actually good at

Size	Material	Use it for
0.2 mm	Stainless steel	Maximum fineness. Miniatures, scale models, raised text and logos, jewellery masters, small moulds. Slowest of the four — use it when the surface matters more than the clock.
0.4 mm	Hardened steel	The balanced all-rounder and the size most profiles are tuned around. Toys, mechanical parts, prototypes, decorative objects. Hardened, so it handles CF and GF filaments.
0.6 mm	Hardened steel	The sweet spot for functional printing. Roughly double the flow area of a 0.4 mm, so meaningfully faster and stronger. Brackets, jigs, fixtures, structural parts.
0.8 mm	Hardened steel	Fastest standard-flow size. Large structural and engineering parts, enclosures, planters, cosplay shells. Fine detail is off the table, but big parts finish far sooner.

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Specifications

Brand	Bambu Lab (genuine OEM part)
Compatible printers	X1 Carbon (X1C), P1P, P1S
Hotend type	Standard flow
Nozzle sizes	0.2 mm, 0.4 mm, 0.6 mm, 0.8 mm (depending on configuration selected)
Nozzle materials	0.2 mm stainless steel · 0.4 / 0.6 / 0.8 mm hardened steel
Max. printing temp.	320 °C hotend rating — note X1C, P1P and P1S firmware caps printing at 300 °C
Hotend length	47.3 mm
Filament diameter	1.75 mm
Mounting hardware	2 × M3-14 step screws per hotend (included)
Abrasive filament ready	Yes, on all hardened steel sizes — suitable for CF and GF filled filaments
Individual hotend packaging	190 × 70 × 50 mm, 30–40 g each
Not compatible with	A1 / A1 mini / A2L, H2D / H2S / H2C, X2D / P2S — these use different hotend families

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What's in the box

• Bambu Lab hotend × 2, 3 or 4 depending on the configuration you select — each supplied as a hotend with its nozzle already fitted
• M3-14 step screws × 2 per hotend
• Each hotend in its own individually boxed packaging

Good to know before you buy

• These are bare hotends, not Complete Hotends. Each unit reuses the heating element, thermistor, silicone sock and hotend cooling fan already fitted to your printer. If you want a drop-in assembly that includes its own heater, temperature sensor and fan, choose a Bambu Complete Hotend instead.
• A silicone sock is not included with bare hotends — you transfer yours across. Socks are cheap and wear out faster than hotends, so a spare or two is a sensible add-on if you plan to swap often.
• Recalibrate after a swap. Run a flow and pressure-advance calibration in Bambu Studio after fitting a different nozzle size, and make sure the size is set correctly in the slicer so your profiles match reality.
• Larger nozzles need realistic flow settings. A 0.8 mm can outrun a standard-flow hotend if you push speed and width together — dial volumetric flow to suit rather than assuming maximum of both.

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