Aluminium Hot End Heating Block MK8 For 3D Printers

Heat block MK8  is a 3D printer’s  is the part of the extruder so the nozzle meets the thermal barrier tube. Contained within the  block is also the heater cartridge and thermocouple was typically made of aluminum in which the part functions literally melting the filament as it passes through the thermal tube to be extruded out of the nozzle. The mounting hole works perfect with nozzle & nozzle throat. Reliable accessory for 3D printer DIY lovers.