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NT Rainbow S NiTi Rotary Files
NT Rainbow S NiTi Rotary Files are advanced endodontic rotary instruments engineered for precise, safe, and efficient root canal preparation. Manufactured from heat-treated nickel-titanium alloy with surface enhancement, they combine exceptional flexibility with superior cyclic fatigue resistance — making them ideal for curved and complex canal anatomy.
Key Features
- Innovative heat-treated NiTi alloy: Minimises crack propagation for enhanced cyclic fatigue resistance
- Slim S-shaped cross-section: Superior flexibility for navigating curved root canals
- Efficient debris removal: Reduces preparation time significantly
- Inactive tip design: Safe preparation with reduced risk of perforation and zipping
- Variable pitch design: Enhanced mechanical resistance and reduced tip fracture risk
- Shape memory: Retains pre-curved shape at room temperature for easy customisation
- Taper value markings on handle for quick identification
Operating Parameters
- Recommended Speed: 400 RPM
- Torque: 2 NCm
Specifications
- Available Lengths: 21mm, 25mm, 31mm
- Available Sizes: 20/04, 20/06, 25/04, 25/06, 30/04, 30/06, 35/04
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