Cleaning Tool Drill Bit 0.4mm Size for Extruder:

• An essential gadget for maintaining the nozzles on your 3D printer is a 0.4mm nozzle cleaning drill.
• It operates with nozzles that are at least 0.4 mm in diameter and is ideal for difficult blockages.
• To use it, manually twist the drill bit to clear any blockages after heating your hot end to the same temperature as the clogged filament.