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.
MK8 Official TC4 - Copper Plated Nickel Plated CuCrZr M6*26mm Throat Discover the next generation of 3D printing with the MK8 Official TC4 throat, expertly engineered to elevate your printing...