30mm long M6 Φ4.1mm hole MK8 for 1.75 filament all thread

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Hotend Throat is a path way throat for filament load into the hot area smoothly.
Nozzle and throat have to be locked together, if not filament will leak from the gap of the throat and nozzle.


Material: Stainless steel
for 3D Printer 1.75mm Extruder ; MK8
radiating end thread: M6;
heating end thread: M6

height: 30mm
style: 4.1mm hole