Bore diameter: 0.4mm.
Screw thread inner diameter: 1.75mm.
Widely used for 1.75mm PLA filament.
The shape is smooth and glossy with lettering, the chamfer is rounded, which can reduce the resistance of the corners, and avoid blocking of the filament, and the contact surface is smooth, which can effectively prevent print head from leakage.
Hexagon extruder brass nozzle print head with different lettering, which is easy for you to identify, and the screw head connection can be connected well with the other end. Also,there is a spanner which is more convenient to make a replacement for the Nozzle.