






Dental Low Speed Contra Angle Handpiece 20,000rpm Push Button 1:1 Direct Drive Gear Ratio Apply for CA Burs ø2.35mm
Approx $27.29 USD
🦷💨 Dental Low Speed Contra Angle Handpiece – 1:1 Gear Ratio, 20,000 RPM, Push Button for CA Burs ø2.35mm
🧾 1. Description
The Dental Low Speed Contra Angle Handpiece 1:1 Gear Ratio, 20,000 RPM Push Button Type is a highly engineered, precision-driven dental tool tailored for restorative, prophylactic, and laboratory dental procedures. Designed to operate at up to 20,000 revolutions per minute (RPM), this direct-drive, low-speed handpiece is compatible with CA burs of ø2.35mm, offering versatility and accuracy in every rotation.
Its 1:1 direct gear transmission ensures equal speed between the motor and handpiece, allowing for smooth and consistent performance without any loss of torque or speed. Built with ergonomic design, a push button chuck system, and robust stainless steel construction, it offers a safe, comfortable, and long-lasting dental experience for both practitioner and patient.
This contra angle is essential for procedures that demand low-speed precision, such as finishing, polishing, cavity preparation, and root canal shaping. It is compatible with most E-type micromotor systems, making it universally adaptable to standard dental clinic equipment.
🔍 2. Key Points
- ⚙️ 1:1 Direct Drive Gear Ratio for Consistent Output
- 🌀 Up to 20,000 RPM Operation
- 🖱️ Push Button Type Chuck for Quick Bur Changes
- 🦷 Compatible with CA Burs ø2.35mm
- 🔄 Fits Standard E-Type Micromotor Connections
- 💪 Durable Stainless Steel Construction
- 🧼 Autoclavable for Complete Sterilization
- 🔇 Quiet and Vibration-Free for Patient Comfort
- 🧤 Ergonomic Grip for Extended Use
- 🧰 Multipurpose Use in General & Specialty Dentistry
✅ 3. Benefits
💨 Speed Without Compromise
Operating at 20,000 RPM, the handpiece delivers exceptional cutting, grinding, and polishing performance. Whether you're finishing a composite, preparing a canal, or refining margins, the speed ensures minimal vibration and optimal tactile control.
🔁 True 1:1 Gear Ratio for Precision
The 1:1 direct drive system offers perfect synchronization between motor and handpiece. There's no speed multiplication or reduction, meaning what you input is what you get—ideal for procedures where consistency matters most.
🛠️ Fast, Secure Bur Changes
With its push-button chuck system, this handpiece allows for fast bur insertion and removal. The secure locking mechanism ensures that CA burs are held firmly, reducing the chance of slippage during operations.
🧩 Compatibility with All Standard CA Burs
Designed for CA burs with a shank diameter of 2.35mm, this handpiece accommodates a wide variety of finishing, polishing, and cutting burs already in most dental clinics.
🔧 Universal Fit for Dental Equipment
Equipped with a standard E-type coupling, this handpiece is compatible with most micromotors used in dental practices—eliminating the need to purchase specialized systems.
🧬 Durable, Rustproof Build
Manufactured using high-grade stainless steel, the body is designed to resist wear, tear, and corrosion even after repeated autoclaving. It’s made to withstand the rigors of everyday clinical use.
🧼 Safe for Sterilization
Able to withstand temperatures up to 135°C, this tool supports autoclave sterilization for infection prevention and safety. It retains its structural integrity and function even after hundreds of cycles.
🧘 Comfort-Focused Design
With an ergonomic handle, the handpiece ensures minimal operator fatigue. It’s lightweight, well-balanced, and allows you to maintain precision over long periods without strain.
🧠 Patient-Friendly Noise Level
Thanks to its low-noise engineering, this handpiece operates quietly, helping reduce patient anxiety and creating a more pleasant treatment environment.
🛡️ Reliable in Clinical and Laboratory Settings
Not only is this tool perfect for in-mouth procedures, but it’s also highly effective for laboratory tasks like trimming, polishing prosthetics, or fine finishing work.
🤔 4. Why You Choose This
🧠 Designed for Precision
When precision and control are non-negotiable, a low-speed, 1:1 contra angle handpiece is your best ally. Unlike high-speed turbines, this model gives you tactile feedback and directional stability.
⚙️ Versatile Applications
From endodontics to orthodontics, this handpiece covers multiple disciplines. Whether you're working in a general practice or a specialty clinic, it meets various procedural demands without the need for separate tools.
🧼 Infection Control Made Easy
With its autoclavable design, you don’t have to compromise on hygiene. It cleans thoroughly without affecting internal gear function, ensuring both longevity and safety.
🧩 Integrates Seamlessly
You don’t need to worry about compatibility. This unit fits into any micromotor system using an E-type connection, so you can integrate it into your practice without extra investment.
💪 Long-Term Reliability
Built from industrial-grade materials, the handpiece can endure thousands of uses and sterilization cycles without performance decline. It’s a sound long-term investment for any dental practice.
🧰 Minimal Learning Curve
Its straightforward design and standard interface make it easy to adopt in daily practice, even for dental students or newly practicing dentists.
🧪 5. Clinical & Lab Applications
- ✔️ Composite Finishing
- ✔️ Cavity Preparation
- ✔️ Polishing and Trimming
- ✔️ Root Canal Finishing
- ✔️ Orthodontic Appliance Adjustment
- ✔️ Crown and Bridge Refinement
- ✔️ Removable Prosthetic Adjustment
- ✔️ Enameloplasty and Smoothing
- ✔️ Tooth Surface Cleaning
- ✔️ Laboratory Grinding and Shaping
⚙️ 6. Technical Specifications
Gear Ratio | 1:1 Direct Drive |
Speed | Up to 20,000 RPM |
Bur Compatibility | CA Burs ø2.35mm |
Chuck System | Push Button |
Motor Compatibility | E-Type Micromotors |
Noise Level | Low (<60 dB) |
Sterilization | Autoclavable (135°C max) |
Material | Stainless Steel |
Grip Design | Ergonomic, Anti-slip Surface |
Application | Clinical & Lab |
Weight | Lightweight (Approx. 90–120g) |
📦 7. What’s in the Box
- 1x Dental Low Speed Contra Angle Handpiece
- 1x Protective Storage Case
- 1x User Guide & Maintenance Manual
- Optional: Cleaning Spray Nozzle (Based on supplier)
🧼 8. Maintenance Tips
- Clean externally with alcohol after each use.
- Lubricate internal bearings every 2–3 uses.
- Sterilize in an autoclave for 20 minutes at 134–135°C.
- Inspect push-button chuck for wear monthly.
- Store in a dry, sterilized container between procedures.
🔍 9. Comparison Chart
Gear Ratio | 1:1 Direct | Variable |
Speed | 20,000 RPM | Up to 400,000 RPM |
Torque | Medium-High | Low |
Noise | Low | High |
Autoclavable | Yes | Yes |
Application | Clinical & Lab | Clinical |
Compatible with CA Burs | Yes | No |
Micromotor Compatibility | Yes (E-Type) | No |
📘 10. Frequently Asked Questions (FAQ)
❓ Is this handpiece compatible with electric micromotors?
Yes, it is compatible with all E-type micromotor systems, both air-driven and electric.
❓ Can I use FG (friction grip) burs in this handpiece?
No, this model is designed exclusively for CA (latch-type) burs with a diameter of 2.35mm.
❓ Does it require lubrication?
Yes, regular lubrication after 2–3 uses is recommended to prolong bearing life and ensure smooth performance.
❓ Can it be autoclaved after each use?
Absolutely. It is 100% autoclavable and built to endure repeated sterilization cycles.
❓ Is this suitable for pediatric patients?
Yes, the quiet operation and low vibration make it ideal for sensitive or pediatric patients.
🏁 11. Conclusion
The Dental Low Speed Contra Angle Handpiece (1:1, 20,000 RPM) is a game-changing clinical tool that combines ergonomic design, high-speed stability, and universal compatibility in one package. Whether you're polishing a crown, cleaning surfaces, or performing conservative preparations, this handpiece delivers the control and versatility modern dental professionals demand.
It’s more than a tool — it’s a trusted companion in your daily practice. Durable, sterilizable, and highly precise, this handpiece is an ideal choice for dental clinics, schools, and laboratories looking for reliable low-speed performance with unmatched convenience and safety.