Jinme J7-SUQ Quick Coupling Dental Handpiece | German Ceramic Bearings High Speed Turbine with Zero Retraction System | Triple Water Spray, Push Button Chuck, Titanium Coated Handpiece NSK Compatible

The J7 dental handpiece delivers high rotation speeds of 350,000–380,000 RPM with smooth operation and minimal radial vibration (≤0.03 mm), ensuring precise cutting performance for professional dental procedures. 

Technical Feature: 

Bullet Points:  

Zero Retraction Anti-Suction 

Equipped with a zero retraction system that helps prevent backflow contamination inside the handpiece, improving infection control and maintaining hygiene standards during dental treatments. 

German Ceramic Bearings 

Built with high precision German ceramic bearings that provide stable performance, reduced friction, and low operational noise (≤60 dB) while extending the lifespan of the turbine. 

Triple Water Spray System 

The triple spray cooling design delivers uniform water flow (90–110 ml/min) around the bur to provide effective cooling and improve cutting efficiency during high-speed operation. 

Titanium Coated Body 

The handpiece features a titanium coated surface that enhances durability, corrosion resistance, and lightweight handling for long-term clinical use. 

Quick Coupling System 

Designed with a quick coupling connection compatible with 2-hole and 4-hole NSK systems, allowing fast attachment and removal while supporting smooth 360° swivel operation. 

Push Button Chuck & Sterilization 

The push button chuck system enables quick bur replacement while maintaining secure retention. The handpiece is fully autoclavable up to 135°C, supporting reliable sterilization and hygiene compliance.