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Official K1/Ender 3 V3 KE Nozzles 4PCS, Updated 3D Printer Nozzles Bimetallic Hardened Steel Copper Alloy 0.4Mm/0.6Mm/0.8Mm High Speed Printing High Flow Hotend Nozzle Kit for K1 Max CR 10 SEDescription Material Metal, Copper, Steel Compatible Devices Laptop, Smartphone Item Weight 25 Grams Product Dimensions 2.1"D x 2.1"W x 1.56"H

• 👑【Quality Assurance】Creality 100% official, 4PCS K1 nozzles upgrade High Flow Nozzle kit suitable for 3D printers K1/K1 Max/Ender 3 V3 KE/CR 10 SE. Nozzles made of copper alloy and hardened steel. Multi aperture extruder nozzles with more printing options, including 0.4mm * 2, 0.6mm * 1, 0.8mm * 1.
• 👑【High Speed Printing】The K1 nozzle kit has a high thermal conductivity of copper alloy, which requires high flow rate for high-speed printing. The thermal conductivity of copper alloy is as high as 330W/m·k, ensuring that the nozzle is heated more evenly. The volume is enlarged, supporting a high-speed printing speed of 600mm/s.
• 👑【Wear-resistant Heat-resistant】Hardened steel is heat resistant up to 450°C, can be used with various filaments for printing. The hardened steel adopts advanced heat treatment process, and the Mohs scale hardness reaches 7.8, which has better corrosion resistance and extends the service life of the high speed printing nozzles.
• 👑【Smooth Feeding】The surface of the nozzle is coated with a nickel plating layer, which greatly reduces the adhesion of consumables to the nozzle while ensuring smooth wire discharge. Inner hole roughness