Replacement Hotend Assembly with 0.4mm Nozzle
For QIDI TECH X-Plus 3 / X-Max 3 / X-Smart 3 3D Printers
Compatibility Notice: This hotend fits QIDI TECH X-Plus 3, X-Max 3 and X-Smart 3 models ONLY. It is NOT compatible with X-Max 1, X-Max 2, X-Plus 1 or X-Plus 2.🔧 Key FeaturesThree Material Options
Choose from Brass (up to 300°C), Coppering or Hardened Steel (up to 350°C) heat blocks to match your filament needs.
Precision 0.4mm Nozzle
Pre-installed 0.4mm nozzle for reliable, consistent extrusion and fine detail printing.
Complete Hot End Assembly
Includes heat block, heater, cooling fan and wiring, ready to install as a direct replacement unit.
High-Temperature Capable
Hardened steel and coppering variants support engineering filaments requiring higher nozzle temperatures.
📐 Choosing Your Option
All three variations are the same complete hot end assembly with a 0.4mm nozzle; they differ only in heat block material and maximum temperature rating:
Brass HotendMax temperature approx. 300°C, standard filaments (PLA, PETG, TPU)Coppering HotendMax temperature approx. 350°C, improved heat transfer for higher-temp materialsHardened Steel HotendMax temperature approx. 350°C, wear-resistant, suited for abrasive filaments (carbon fiber, glow-in-dark)📋 SpecificationsTypeHot End AssemblyNozzle Diameter0.4mmHeat Block MaterialBrass / Coppering / Hardened Steel (per option)Max Temperature300°C (Brass) / 350°C (Coppering, Hardened Steel)Compatible ModelsQIDI TECH X-Plus 3, X-Max 3, X-Smart 3Not Compatible WithX-Max 1, X-Max 2, X-Plus 1, X-Plus 2Assembly RequiredYesIncludes Cooling FanYesItem TypeHotendOriginMainland China📸 Product Images❓ FAQWill this fit my X-Max 1 or X-Plus 2?
No. This hotend is designed exclusively for X-Plus 3, X-Max 3 and X-Smart 3 models and is not compatible with earlier generations.
Which material should I choose?
Brass suits standard filaments up to 300°C. Coppering and Hardened Steel handle up to 350°C, with Hardened Steel recommended for abrasive filaments.
Does it include the cooling fan?
Yes, the complete assembly includes the cooling fan and wiring shown in the photos.
