Brass Coupling threaded M6x1. Couplings are used for ventilation and 3D printing is used to guide the filament in Bowden. P>
Use Teflon ring easily insert and remove the tube. P>
Child outer dimensions D = 4 mm internal / d = 2 mm) p>
These couplings are used within the copy E3D HotEndů and many other hotendech p>
Pneumatic connector PC4-M6 tube 4 mm * 2 mm p>
Straight fitting, M6 thread, Teflon ring, the outer hexagon 10 mm D p>