New MK8 Extruder 1.75mm 12V Assembled Printhead For 3D PrinterDescription:This is an modified MK8 extruder, which features outstanding quality and ensures better performance for 3D printers.Compared with the previous version, there are some differences on design of this new extruder.The feeding device of this MK8 extruder uses double "V" design which can ensure stable and constant feeding, and such design is much more convenient for you to load the filament right to the end of the barrel.The heat-resisting PTFE tube inside the barrel ensures fluent feeding and helps avoid blocking problem thanks to its self-lubricity.The precise brass nozzle ensures accurate extrusion, realizing excellent printing effect.By simply adding an extruder holder, you can use it on most 3D printers such as Reprap Prusa I3 and many other types of 3D printers.Specifications:Extrusion nozzle: 0.3mm, 0.35m, 0.4mm, 0.5mm (optional)Filament size: 1.75mmType of filament: PLA, ABS, Wood-polymer, flexible PLA etc.Flowrate of nozzle: about 24cc / hSports shaft speed: 40mm/sVoltage of heating nozzle: 12VThermistor: 100K NTCOperating voltage of cooling fan: 12VHeater: 6mm, 12V, 40WRecommended operating temperature: 190°C-230°CNet weight: 450gFeatures:Double "V" feeding device ensures stable and constant feedingHeat-resisting PTFE tube inside the barrel ensures fluent feeding and helps avoid blocking problem thanks to its self-lubricityDirect transmission, without the heavy gears, compact size and weightPrecise brass nozzle ensures accurate extrusion, realizing excellent printing effect Package includes:1 x Assembled MK8 extruder