Overview The hotend assembly is a high-performance core component designed for stable high-temperature and high-speed printing. It ensures smooth filament flow, precise extrusion, and reliable thermal control, making it ideal for both everyday and advanced printing needs. Installation Compatible with M1 Pro 3D Printer In the Box Complete hotend assembly with pre-installed nozzle 2 × mounting screws Compatibility M1 Series Product Specifications Maximum Printing Temperature 320 °C Weight 54.4 g Dimensions 107.23 × 54.55 × 37.50 mm (L × W × H) Quantity 1 piece Comparison of Different Nozzle Sizes Usage scenario 0.4 mm Nozzle The perfect balance between speed and quality. Best for everyday printing, functional parts, and general prototyping. 0.6 mm Nozzle Faster printing with stronger layer bonding. Suitable for large models, functional parts, and high-performance filaments, with slightly reduced surface detail. 0.8 mm Nozzle Maximum print speed and material flow. Best for large, simple structures, rapid prototyping, and strong industrial parts where detail is less critical.