
1:4.2 Increasing Contra Angle
Model 120166
An angled 1:4.2 contra angle for high-speed finishing, restorative work and comfortable posterior access.
Overview
The 1:4.2 Increasing Contra Angle combines increased speed with an angled head for efficient finishing and restorative work. Its compact head and slim body help clinicians reach the treatment area while maintaining cutting control.
Quad-point irrigation supports cooling around the bur, and imported bearings provide balanced rotation. A stainless-steel press-type back cover allows convenient bur changes, while the universal international interface supports compatible systems.
Model 120166 operates at 0.20–0.25 MPa with noise at or below 63 dB. Support for 135°C high-temperature, high-pressure sterilization enables routine professional reprocessing.
Key Features
- 1:4.2 speed increase for finishing and restoration
- Angled small head for comfortable access
- Quad-point irrigation with imported bearings
- Slim body, universal interface and low-noise operation
Technical Specifications
| Model | 120166 |
|---|---|
| Ratio | 1:4.2 |
| Working air pressure | 0.20–0.25 MPa |
| Noise | ≤63 dB |
| Head and body | Angled small head with slim body profile |
| Irrigation | Quad-point irrigation |
| Bearings | Imported bearings |
| Back cover | Stainless-steel press type |
| Connection | Universal international interface |
| Sterilization | 135°C high-temperature and high-pressure sterilization |
Applications
- High-speed finishing and polishing
- Restorative procedures requiring angled access
Maintenance
Follow the supplied cleaning, lubrication and high-temperature, high-pressure sterilization instructions for the selected model.
Compatibility
Universal international interface. Confirm the compatible motor, bur and accessory configuration before ordering.
Related Increasing Contra Angles
1:4.2 Increasing Contra Angle FAQs
What is the 1:4.2 Increasing Contra Angle used for?
The catalog lists this model for high-speed finishing and polishing and restorative procedures requiring angled access. Confirm the exact procedure and configuration requirements with our team.
Which model and ratio are available?
This product is listed as model 120166 with a 1:4.2 ratio. Include the model in your inquiry to confirm the exact configuration.
Which motor, bur and connection are compatible?
Universal international interface. Confirm the compatible motor, bur and accessory configuration before ordering.
How should this contra angle be maintained?
Follow the supplied cleaning, lubrication and high-temperature, high-pressure sterilization instructions for the selected model.
Request Product Pricing
Ask about model 120166, motor compatibility, quantities and distributor or OEM requirements.

