45000rpm Marathon N4 Micromotor Dental Handpiece – Precision & Durability Redefined
High-speed 45000rpm brushless micromotor ensures smooth, vibration-free performance for intricate dental procedures. Aerospace-grade aluminum alloy body with anti-corrosion coating guarantees lightweight durability and extended lifespan. Swiss-engineered ceramic bearings minimize heat buildup, maintaining consistent torque during prolonged use. Ergonomic pen-style design reduces hand fatigue, ideal for crown prep, polishing, and delicate cosmetic dentistry. Interchangeable push-button chuck accepts all standard dental burs (1.6mm/2.35mm), enabling quick tool swaps. Low-noise operation (<55dB) enhances patient comfort in clinics, labs, or mobile dental setups. IPX7 waterproof rating allows safe autoclave sterilization (134°C) without compromising internal components. Includes 5 high-precision tungsten carbide burs – optimized for acrylic, composites, and zirconia work.