Warranty: 1 year
The handpiece operates at 0.23–0.25 MPa working pressure with minimal radial vibration (≤0.03 mm), ensuring smooth rotation and improved comfort for both dentist and patient.
| Item | Parameter |
| Product Name | J4 Mini Head Dental Handpiece |
| Model | J45-MUQ |
| Head Size | 8.9 mm Mini Head |
| Rotating Speed | 380,000 – 450,000 rpm |
| Working Pressure | 0.23 – 0.25 MPa |
| Noise | ≤ 60 dB |
| Atomized Water Pressure | 0.3 – 0.35 MPa |
| Working Water Pressure | 0.2 – 0.23 MPa |
| Water Flow | 90 – 110 ml/min |
| Radial Vibration | ≤ 0.03 mm |
| Surface | Titanium Plating |
| Water Spray | Single Spray |
| Chuck Type | Push Button |
| Cartridge | Exposed Cartridge |
| Bearing | German Ceramic Bearing |
| Sterilization | Autoclavable up to 135°C |
| Connection | 2 Hole / 4 Hole NSK Compatible |
Mini Head Design
The 8.9mm miniature head design provides improved visibility and access in small oral cavities, making it ideal for pediatric dental procedures and precise treatments in narrow areas.
High Speed Stable Performance
Powered by German ceramic bearings, the handpiece delivers high rotation speed of 380,000–450,000 RPM with stable operation, reduced vibration (≤0.03 mm), and low noise below 60 dB for smoother clinical performance.
Durable Titanium Coated Body
The titanium plated surface enhances durability, corrosion resistance, and lightweight handling, ensuring long-lasting performance for professional dental use.
Push Button Chuck System
Designed with a push button chuck mechanism, allowing quick and easy bur replacement while maintaining strong bur retention for safe and efficient procedures.
Efficient Cooling System
Equipped with a single water spray system with water flow of 90–110 ml/min, helping maintain proper cooling during high-speed operation and improving treatment efficiency.
Compatibility & Sterilization
Compatible with 2-hole (Borden) and 4-hole quick coupling systems, including NSK-compatible connections. The handpiece is fully autoclavable up to 135°C, supporting proper sterilization and hygiene standards.















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