MK8 Extruder Hotend with Stepper Motor

3D printer parts MK8 extruder Makerbot Prusa i3 full metal extrusion head single extruder Hot sale for BOOJAR B53 Description: This is a single head mk8 geeetech upgrade extruder, with excellent quality and best performance DIY and professional systems. By simply adding a person, you can assemble your own double head extrusion. And 42byghw818 stepper motor, you will find it very easy to solve the problem of uneven compression, often blocking material installed. Specifications: • extrusion nozzle: 0.4mm • Material Print: 1.75mm • Nozzle Flow: About 24cc / hour • Movement shaft speed 40mm / s, heating nozzle • Voltage: 12V • 100K NTC thermistor, cooling fan • Operating voltage: 12V • Heater: 6mm, 12V, 30W • Normal operating temperature: 190 - 230 °° • Weight: 450g Features: • 42mm high quality stepper motors have high torque and less heat build-up • special ceramic heating insulation cotton guarantee stability; energy saving • Direct transmission, without heavy gear, compact size and weight • There are a variety of specifications to choose the most suitable is the best Note: Ensure that the maximum temperature does not exceed 280 ° Default Specifications: 1.75 / 0.4mm, need other specifications, please leave a message with the order.