There is a groove on each ball bearing, which can contact to O ring to make the cartridge tight. The bur will not shake and it will be safer to patient.
The ball bearing is closed anti-corrosion to lead a longer life span.
perfect stable and reliable performance;
high-grade material with a stylish design.
warranty: one year for handle; six months for cartridge
AIR PRESSURE AT THE BACK END OF HP 206KPa--231KPa(2.1~2.35 kgf/cm2)
AIR PRESSURE AT THE GAUGE IN THE DENTAL UNIT 277-316 KPa (2.8-3.2 kgf/cm2)
WATER PRESSURE 198Kpa (2 kg)
ROTATION SPEED 300,000-380,000 rpm (torque)
380,000-450,000 rpm (standard)
HEAD HIGHT 15 mm( torque )
14.5 mm( standard )
HEAD DIAMETRE φ12.5 mm( torque )
φ11.2 mm( standard )
CHUCK TYPE push button
BUR APPLICABLE φ1.59mm~φ1.6mm×21mm~23mm (diameter×length)