3D Printer Parts Metal Copper Alloy High Temperature Resistance E3D V6 Laryngeal Tube(Smooth)

1. Copper alloy material, durable, anti-corrosion and wear-resistant2. Bi-metal high temperature resistance, cutting heat resistance design3. 45-degree chamfer design at the thread, smooth feeding4. The section of the nozzle is flat and smooth, and it is highly compact with the butt fittings.5. The inner wall is smooth and free of burrs, the printing retraction resistance is reduced, and the printed product is more delicate6. The thread is tight and not easy to slip7. Material: copper, stainless steel8. Thread: M69. Size: threaded type is about 22mm, smooth type is about 20.5mm10. Weight: about 4 grams