Based on this product's specifications, here are some alternatives and similar models
3D printer nozzle Flashforge Creator 4 0.6mm
Summary description:
Nozzle for Flashforge Creator 4 3D printer with a 0.6 mm diameter. Designed to deliver controlled filament extrusion for mid-to-large layer widths, it suits general-purpose and faster printing where a larger nozzle is required. Compatible replacement part for Creator 4 series, useful for maintenance, nozzle swaps and adjusting print speed and layer thickness.