Cobra J-head compatible feeder


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Micron E.M.E  Cobra J-head compatible feeder

  • Extremely fast and reliable printing with flexible materials such as NinjaFlex and PVA
  • Small light weight package
  • 100% all metal enables reliable and continuous printing up to 315 deg c. 
  • Reliable design: Cobra extruders use a small but powerful 1:13 planetary geared motor equipped with a 304 stainless steel hobbed gear.
  • Including a special tooth profile which provides strong filament gripping.
  • Continuous idler bearing with preload adjustment, using 2 set screws
  • Easy opening service door that maintains idler bearing preload while opening and closing.
  • Short and Smooth filament feeding design that prevents the filament from jamming after passing the hobbed gear.
  • Test proven with PLA, ABS, polycarbonate, nylon, Carbon PLA, HIPS, Ninjaflex and PVA.



Step motor rated current/Phase: 0.67 Amp. Rated voltage/Phases: 6.2 VDC


  • 1:13 Motor:  Nema 11 Planetary Gearbox step Motors
  • Materials: red anodize Aluminum 6061-T651 housing, Stainless Steel  304 hobbed gear and Brass nozzle
  • Filament size: 1.75mm or 3mm

 What you get

  • Assembled and tested Cobra 1.75mm "all metal" J head compatible extruder feered including:
  • 1 x 1:13 planetary geared motor
  • 2 x M4 installation screws.


Micron E.M.E provides solid models of the extruder feeder assembly.