Enhance the performance and reliability of your 3D printer with this premium hardened steel extruder gear, specifically designed for compatibility with Neptune 4, Pro, Plus, and Max models. Crafted from high-strength mold steel and treated with advanced nano-coating, this extruder gear delivers exceptional durability, wear resistance, and corrosion protection, ensuring a long-lasting and consistent filament feeding experience. Key Features: · Durable Hardened Steel Construction: Made from high-strength mold steel with nano-coating surface treatment, achieving a Rockwell hardness (HRC) of 62-65 and surface hardness (HV) of 1000-1200 for superior strength and extended service life. · One Shaft Design: The integrated metal gear is securely fixed to the shaft, preventing gear slippage and ensuring precise concentricity to reduce eccentric rotation during operation. · Consistent Filament Extrusion: Effectively addresses common extrusion issues such as inconsistent filament feeding and poor grip, resulting in smoother and more reliable 3D printing performance. · Precision Double Ball Bearings: Equipped with high-quality double ball bearings to minimize gaps and enhance feeding accuracy, providing stable and precise filament delivery. · CNC Processed for Accuracy: Manufactured using CNC machining to ensure precise dimensions (27x27x22mm) and a perfect fit for compatible printer models. Specifications: · Material: POM and Nano-Coated Die Steel · Size: 27 x 27 x 22 mm · Compatibility: Neptune 4 / Pro / Plus / Max Package Includes: · 1 x Hardened Steel Extruder Gear Upgrade your 3D printer’s extruder system with this robust, precision-engineered extruder gear to achieve improved filament control, enhanced durability, and consistent printing quality for all your creative projects.