All Metal MK8 Extruder, 3D Printer Extruders Hotend Kit with 0.2/0.3/0.4/0.5mm Nozzle Print Head for 3D Printer 1.75mm Filament Supported (MK8 Extruder KIT)

NOTE: Make sure the maximum temperature is less than 280 Celsius. Thermistor sensor is risky demaged if it is fasten too tight.And please do not be panic if it is fallen out as arrived ,it is easy to reset. Compatible with most 3d printers with some slight modifications,if you would like to install on A8,please cut the thumb bar of the extruder frame for carriage mounting. Specification: Default extrusion nozzle: 0.4mm; 0.2/0.3/0.5mm optional The material of Print: 1.75mm PLA/ABS/Wood/Flexible Operating temperature Normal: 190-250 Celsius Throat: M6 X 30mm The voltage of heating nozzle: 12V Cartridge heater: 12V,40W, 1 meter lead Thermistor: 100K NTC, 1 meter lead Cooling fan: 12V 4010 fan Stepper motor wire: 1 meter The flow rate of Nozzle: about 24cc / h Sports shaft speed: 40mm/s Stepper Motor: Nema 17 Stepper Motor, 4 Wires Number of Phase: 2 Step Angle: 1.8 deg Rate Voltage: 3.3V DC Holding Torque:1.5A Phase Resistance: 2.2ohms±10%?20?? Motor Torque:40Ncm/57.1 oz.in Phase Inductance: 3.8mH±20%(1KHz) MK8 Extruder Package Include: MK8 Extruder X 1+ 0.4mm nozzle 1 x1 Meter stepper motor wire MK8 Extruder KIT Package Include: 1xMK8 Extruder(0.4mm nozzle) 1x0.2mm/1.75 MK8 nozzle 1x0.3mm/1.75 MK8 nozzle 1x0.5mm/1.75 MK8 nozzle 1 x1 Meter stepper motor wire

• Assembled mk8 extruder come with 4 print nozzles; Diameter: 0.4mm defaulted; 0.2mm, 0.3mm, 0.5mm optional.
• It is compatible with most 3d printers with some slight modifications when mounting it.
• Filament size: 1.75mm PLA/ABS or other 3d print materials. Flow rate of nozzle:max 100mm/s, support for high speed printing.
• high quality stepper motor with larger torque and less heat buildup.
• Special ceramic insulation cotton ensure the hotend can heat to a high temperature fast and stably.