Search for the perfect nozzle in our nozzle selection. A nozzle is used to extrude the melted filament onto the print bed. In most 3D printers, the default nozzle diameter is 0.4mm. Some filaments require a 0.6mm or 0.8mm nozzle. Discover our assortment, featuring standard nozzles, hardened or wear-resistant varieties, and nozzle kits.