Bambu

Bambu Lab Hotend with 0.4mm Hardened Steel Nozzle for A1/A1 Mini

0 customer reviews

buy now

  • Ideal for everyday use with a balanced combination of print speed and print quality

  • Delivers high-quality results with sharp details on regular-size models

  • Suitable for printing:Toys、Mechanical parts、Decorative objects

  • Designed for Bambu Lab A1 / A1 Mini printers

Looking for other products of Bambu Lab?

Frequently bought together with Bambu Hotend

Direct overhead perspective of a mechanical hotend component featuring a rectangular silver metal block with parallel vertical slots, the "Bambu Lab" brand logo engraved on the top surface, a black plastic frame with a "0.4" marking, and a protruding side lever.
Creality Hyper Series PLA White 1.75mm 1kg 3D printer filament on a recycled cardboard spool with a white 3D printed deer model.

Bambu Combo

Read more

Specification

Hotend Specification

Max. Printing Temperature320 ℃
Nozzle Length47.3 mm
Packaging Size60*60*30 mm
Packaging Weight40 g / 30 g

Filament Compatibility

Filament TypeSupported Nozzle SizesHardened Steel Required
General PLA
PLA Basic / Matte / Basic Gradient		0.2 / 0.4 / 0.6 / 0.8 mmOptional
Filled & Decorative PLA
PLA Sparkle / Marble / Wood / Metal-filled		0.4 / 0.6 / 0.8 mmOptional
PETG / ABS / ASA / PC / PVA0.2 / 0.4 / 0.6 / 0.8 mmOptional
PA / TPU0.4 / 0.6 / 0.8 mmOptional
Bambu PLA-CF / PETG-CF0.4 mm (Highly Recommended) / 0.6 / 0.8 mmRequired
Bambu PAHT-CF / PET-CF0.6 mm (Highly Recommended) / 0.8 mmRequired
CF / GF Filaments (Other Brands)0.6 / 0.8 mmRequired

*① Filaments containing carbon fiber, glass fiber, metal, or other inorganic particles are prone to clogging when printed with a 0.2 mm nozzle.

*② Bambu PLA-CF and Bambu PETG-CF have been extensively tested and proven to have a low risk of clogging when printed with a 0.4 mm hardened steel nozzle, while also achieving higher print quality.

*③ For general carbon fiber or glass fiber filaments such as Bambu PAHT-CF and Bambu PET-CF, it is recommended to use a 0.6 mm hardened steel nozzle to minimize the risk of clogging and abrasion.

Learn more about filament compatibility on the Bambu Lab Wiki.
Learn more about replacing the hotend with nozzle on the Bambu Lab Wiki.

Comparison of Different Nozzle Sizes

Nozzle Size0.2 mm0.4 mm0.6 mm0.8 mm
Usage Scenario Perfect for small and intricate models, delivering extreme precision at the cost of printing time Ideal for everyday printing, offering the best balance between speed and surface quality Higher printing speed and better flow, suitable for high-performance filaments with moderate detail loss Maximum flow rate for large, strong parts, prioritizing speed and strength over fine details
Commonly Used For
Miniature models
Intricate logos
Text
Precision molds
Toys
Mechanical parts
Decorative objects
Large structural parts
Household functional parts
Industrial or engineering components
High-strength models
Large structural parts
Household functional parts
Industrial or engineering components
High-strength models

What’s in the Box?

1. Hotend with Nozzle * 1
2. Screws * 2
 
Top view of a Bambu Lab A1 series hotend assembly with a 0.2mm hardened steel nozzle in a plastic bag alongside a small packet of mounting screws.
Genuine Bambu Lab A1 Series 0.4mm Hardened Steel Hotend kit, including the hotend unit and replacement screws.
Close-up of a Bambu Lab A1 hotend featuring a black heat sink with '0.4' and 'Bambu Lab' branding, and a durable hardened steel nozzle tip.
Detailed view of the 0.4mm hardened steel hotend for Bambu Lab A1, designed for abrasive filament 3D printing.

Balanced Performance with a 0.4 mm Nozzle


The 0.4 mm nozzle offers an ideal balance between print speed and surface quality, making it the most versatile choice for everyday 3D printing.

Graph showing the relationship between Bambu Lab hotend nozzle diameter and printed model strength from 0.2mm to 0.8mm
Larger nozzle diameters generally result in higher model strength

Sharp Detail on Regular-Size Models


Designed to produce clean edges and consistent layer lines, the 0.4 mm nozzle delivers high-quality results with sharp detail on standard-size prints.

FAH019 A Series hotend with hardened steel nozzle 0.4mm shown from front view, featuring black heat sink and metal nozzle for A1 Mini and A1
Front view of the FAH019 A Series hotend with a 0.4mm hardened steel nozzle, designed for A1 Mini and A1 printers.
Benchy model printed with Bambu Lab 0.2mm, 0.4mm, 0.6mm and 0.8mm hotend nozzles showing differences in surface detail and layer lines
Surface quality comparison across different nozzle sizes
Top view of FAH019 A-Series hotend with 0.4mm hardened steel nozzle, centered on a white background, compatible with Bambu Lab A1 Mini and A1
FAH019 A-Series hotend featuring a 0.4mm hardened steel nozzle, photographed from the top on a clean white background.

Suitable for a Wide Range of Prints


Well-suited for toys, mechanical parts, and decorative objects, this nozzle handles both functional and aesthetic models with reliable consistency.

Close-up comparison of fine text and surface detail printed with Bambu Lab 0.2mm and 0.4mm hotend nozzles
Fine text clarity comparison between 0.2mm and 0.4mm nozzles

Optimized for Bambu A1 & A1 Mini


Fully compatible with Bambu Lab A1 and A1 Mini printers, ensuring stable extrusion performance and dependable print quality.

Rear view of the Bambu Lab A1 hotend assembly showing the black heat sink structure and the integrated heating element profile.
Back view of the 0.4mm hardened steel hotend assembly for A1 and A1 Mini printers.
Large vase printed with Bambu Lab 0.4mm, 0.6mm and 0.8mm hotend nozzles comparing surface finish and print efficiency
High-flow nozzle comparison for large-scale prints
FAH019 hotend with hardened steel nozzle 0.4mm packaging box showing product label, model number, and QR code
Retail packaging of the FAH019 A Series hotend with hardened steel nozzle 0.4 mm, featuring product label and QR code for installation guide.
Kraft paper packaging box with Bambu Lab logo printed on the top left corner
Kraft paper box packaging featuring the Bambu Lab logo on the top left corner
Individually packaged 3D printer hotend components arranged on a worktable, with labeled boxes facing upward
Individually packaged hotend components, neatly organized and labeled for identification

Wholesale & Private Label Services

We offer wholesale and private label (OEM) services for a wide range of 3D printing accessories, including build plates, hotends, and related components.

Composite image divided into four sections showing 3D printer build plates in the upper right area and hotend components in the lower sections
Build plates and hotend components shown in a structured layout for visual reference
Palletized rectangular cartons stacked at a 45-degree angle, each box clearly labeled for identification
Palletized cartons with clear labeling prepared for factory shipment
Rows of multi-color 3D printing filament spools organized on storage racks, showing a wide selection of PLA and specialty filaments
A wide range of 3D printing filament spools in different colors and material types, stored for organized inventory and distribution.
Stacks of multi-color 3D printer filament spools arranged in bulk storage, showing large inventory for distribution and supply
Bulk stacks of 3D printing filament spools in various colors, prepared for organized storage and distribution.
  • Direct overhead perspective of a mechanical hotend component featuring a rectangular silver metal block with parallel vertical slots, the "Bambu Lab" brand logo engraved on the top surface, a black plastic frame with a "0.4" marking, and a protruding side lever.

    Bambu Lab Hotend with 0.4mm Hardened Steel Nozzle for A1/A1 Mini

    For A1, A1 Mini

    Read more
  • Front view of the silver Bambu Lab A1 hotend showing the white "0.2 Bambu Lab" identification text on the cooling fins and a sharp stainless steel nozzle tip.

    Bambu Lab Hotend with 0.2mm Stainless Steel Nozzle for A1/A1 Mini

    For A1, A1 Mini

    Read more
  • Bambu Lab A1 and A1 mini hotend with 0.6mm hardened steel nozzle, front view official replacement part.

    Bambu Lab Hotend with 0.6mm Hardened Steel Nozzle for A1/A1 Mini

    For A1, A1 Mini

    Read more
  • Genuine Bambu Lab hotend with 0.6mm hardened steel nozzle and silicone sock for X1 Carbon and P1 series, SKU FAH-005-N-1

    Bambu Lab Hotend with 0.6mm Hardened Steel Nozzle for P1P, P1S, X1C

    For P1P, P1S, X1C

    Read more
    1. Filaments with carbon fiber, glass fiber, metal, or other inorganic particles are prone to clog a 0.2 mm nozzle.
    2. For filaments containing carbon fiber or glass fiber, it is highly recommended to use a hardened steel 0.6 mm nozzle to minimize the risk of clogging and abrasion.
    3. Bambu PLA-CF and Bambu PETG-CF have been extensively tested and proven to have a low risk of clogging when printed with a hardened steel 0.4 mm nozzle, while also achieving higher print quality.

    Q & A

    Ask a question
    You must be logged in to ask a question Log In
    There are no questions yet

    Reviews

    There are no reviews yet

    Add a review
    Bambu Lab Hotend with 0.4mm Hardened Steel Nozzle for A1/A1 Mini Bambu Lab Hotend with 0.4mm Hardened Steel Nozzle for A1/A1 Mini
    Rating*
    0/5
    * Rating is required
    Your review
    * Review is required
    Name
    * Name is required
    Add photos or video to your review
    * Please tick the checkbox to proceed
    * Please confirm that you are not a robot