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CM1 External Irrigation Low Speed Air Motor - Self-Lubricating Dental Handpiece Motor

Upgrade your dental practice with the CM1 External Irrigation Low Speed Air Motor. Patented self-lubricating tech doubles lifespan, 50% more wear-resistant blades, and push-button chuck for seamless bur changes. 2/4 hole compatible for universal fit.


  • Order Code: CM1
  • Noise: Less than 60dB
  • Rotation Speed: 20,000rpm
  • Applicable Bur: "E" TYPE CONNECTION
  • Chuck Type: Wrench Type

Product Details

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CM1 External Irrigation Low-Speed Air Motor

Self-Lubricating Innovation for Dental Clinics


✨ Why Choose the CM1 Air Motor?

Designed for dental professionals who value reliability, longevity, and seamless performance, the CM1 is engineered to eliminate the most common pain points of low-speed air motors.Its self-lubricating technology and wear-resistant materials ensure your handpiece stays running smoothly, so you can focus on patient care, not maintenance.

 Key Features

  • Patented Self-Lubricating SystemNo more frequent lubrication! This innovative design doubles the lifespan of your handpiece from the standard 12 months to an impressive 12–24 months,eliminating frustrating mid-procedure jams and reducing downtime.

  • Ultra-Durable BladesBuilt with a state-of-the-art friction-resistant material, the motor blades are 50% more wear-resistant than traditional options.This prevents powder buildup and motor failure, ensuring consistent rotation.

  • External Irrigation DesignDelivers a steady, precise water flow (90–110 ml/min) for optimal cooling and debris removal, keeping your field of view clear during procedures.

  • Push-Button ChuckAllows for quick, tool-free bur changes, so you can switch between burs, polishers, discs, and reamers in seconds to maintain workflow efficiency.

  • 2-Hole / 4-Hole CompatibilityFlexible connection options to seamlessly integrate with your existing dental unit setup.

Technical Specifications

ParameterSpecification
Max Speed20,000 rpm
Air Pressure0.25–0.3 MPa (245–392 kPa)
Water Pressure0.2–0.23 MPa (198 kPa)
Forward Rotation Speed18,000 rpm
Reverse Rotation Speed16,000 rpm
Torque0.4–0.45 N
Compatible Bur SizeΦ2.334–Φ2.355 mm (standard CA burs)
Noise Level≤66 dB (quiet operation)

 Who It’s For

Perfect for general dentistry, prosthodontics, and lab work where reliable, low-speed performance is essential.Whether you’re preparing restorations, polishing surfaces, or performing precision adjustments,the CM1 is built to handle the demands of daily clinical use.


Elevate your dental practice with a handpiece that works as hard as you do.


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