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Bondtech CHT BiMetal RepRap M6 Coated Nozzle

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These nozzles are for high-flow applications with abrasive materials. They will increase the max volumetric flow of your hot block and will fit the following hotends/hot blocks:

  • Mosquito® / Magnum
  • Mosquito® Liquid
  • Mosquito® Magnum+
  • Mosquito® for Creality
  • Copperhead®
  • E3D Chimera and Kraken
  • E3D V4, V5 and V6 blocks
  • Prusa i3, Prusa MINI
  • RepRap M6


  • Avoid Cold Change Of Bondtech CHT Nozzles
    • Copper is a soft material and doesn't withstand high mechanical efforts. Before removing or tightening any Bondtech CHT nozzle, heat it up to 280°C, or at least above 250°C. Use at most 1.0 Nm of torque. Recommended torque is 0.5 Nm.
  • Size limitation for fiber-loaded filaments
    • Use only 0.6, 0.8 and 1.0 mm nozzle sizes for carbon or glass-fiber loaded abrasive filaments.
  • For particle-loaded filaments
    • For metal, wood, glitter, or other particle-loaded abrasive filaments, you may use the 0.4 mm nozzle size.


  • Copper body
  • Hardened Vanadium Steel inserts
  • Nickel coating
  • 1 unit per pack
  • Optimized for 1.75 mm filament
  • Compatible with 2.85 mm filament
  • Requires a 6mm wrench

Bondtech CHT BiMetal RepRap Coated Nozzle Advantages

  • Abrasive-proof to work with carbon and glass fiber composite materials
  • Higher melt capacity from increasing the surface area of the heating walls
  • Flow rate gains between 25% and 65%
  • Competitive price/performance price
  • Machined with ultra-precision
  • Copper body and hardened vanadium steel inserts
  • Nickel coated surface
  • Follows nozzle standard:
    • RepRap M6 (M6×1.0 threads, 7.5 mm length, 12.5 mm overall length)
  • May be used with 1.75 or 2.85 mm hotends 

Flow Rate gains may vary. Results depend on the hardware, materials, and print settings used.

Advantages of the Bondtech CHT technology:

Bondtech CHT Nozzles split the filament into 3 thinner strands allowing the material to melt 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 these nozzles to provide protection against corrosion, erosion, and abrasion. Nickel-coated nozzles have more corrosion resistance and a lower coefficient of friction which allows slicker feeding of material and delays plastic adhesion to the nozzle's surface.