Bondtech CHT® Nozzles for high flow applications and strong parts

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Bondtech CHT [ Core Heating Technology ] nozzles

in Nickel Coated Brass or Nickel Coated Bi-Metal versions

for desktop, professional and industrial 3D printers

The Bondtech CHT nozzles improve the heat block’s melting capacity to increase their maximal volumetric flow and layer adhesion capacity. Use well machined nozzles with leading patented technology and knowledge for better 3D printing performance and stronger 3D prints.


Core Heating Technology is patented.

In Europe : Registration number: EP3445568A1 : Publication Date: 2021-12-01
In the U.S. : Registration Number : US11712847B2 : Publication Date: 2023-08-01

Nozzles for 3D printers made of metal with at least one or a multitude of holes to increase the standard circular surface area of the heating walls.

30% gains or more!!?? Check the White Paper:

"Increasing Melt Capacity With 3 Nozzle Features"

Gains apply to 1.75 / 2.85mm rigid materials and 2.85mm flexible filaments only.

To achieve meaningful volumetric flow gains use at least 0.6mm diameter nozzles.

Main Bondtech CHT® Advantages
  • Higher melt capacity by increasing the surface area of the heating walls
  • Affordable price
  • Machined with ultra-precision
  • Brass nozzle with Nickel coated surface
  • Follows nozzle standards:
    • RepRap (M6×1×7.5×12.5)
    • MK8 (M6×1×5×13)
    • Volcano (M6×1×14.5×21)
  • May be used with 1.75 or 2.85mm hotends.

Advantages of the Bondtech CHT® technology:

Bondtech CHT® nozzles split the filament into 3 thinner strands allowing to melt the material from within. In doing so, the material melts faster and higher flow rates can be used.

Advantages of the Nickel Coating

A Nickel coating is applied to our Coated Brass nozzles to provide protection against corrosion, erosion, and abrasion. Nickel coated nozzles have more corrosion resistance and lower coefficient of friction, which allows slicker feeding of material and delays plastic adhesion to the nozzle's surface.


Different nozzle sets for different materials

We recommend you to have several sets of nozzles because:
Using different materials with the same nozzles causes deposit build-up inside the nozzle.
These deposits will cause blockages.
We recommend changing nozzles when changing materials.