Avtec Dental America's Handpiece Specialists

NSK Ultimate XL-K Knee Control System


NSK Ultimate XL-K Knee Control System

NSK Ultimate XL-K Knee Control System


Powerful and Comfortable


The world's leading laboratory micromotor just got better. The ULTIMATE range has evolved to run even smoother and be more powerful. With 180° vector control system, it assures you to work more efficiently and stress-free. The handpiece shape has been designed extremely carefully with ergonomy and functionality always being at the forefront of the designer's mind.


The result is a handpiece which considerably reduces hand fatigue and makes it easier to work on even the most delicate pieces of work for extended periods of time. Experience the next-generation performance the ULTIMATE XL has to offer.


The ULTIMATE XL-K micromotor comes with an all-in-one knee control unit. Featuring unparalleled power and performance of ULTIMATE XL series, ULTIMATE XL-K offers the convenience of hands-free control via knee pad mounted on the side panel of the unit. Makes additional space on your bench top or floor for better working environment.


System Includes:

  • Control Unit
  • Micromotor Handpiece
  • Handpiece Stand

Knee Control System

  • Brushless
  • Speed of 1,000~50,000 min-1
  • Digital Speed Display
  • Maintenance Mode Setting
  • Auto Cruise Function
  • Error Code Display Function
  • Available to connect with an air turbine adaptor



  • Ripple-free smooth rotation with 180° vector control system
  • Powerful and stable torque across the entire speed range
  • Easy-to-hold handpiece design ensures precision
  • Ligthweight compact body reduces hand fatigue and improves balance
  • Unique dust-proof mechanism prevents contamination therefore achieving higher durability
  • Minimal vibration, and noise from hermetically shielded micromotor unit
  • Approximately 30% increased chuck strength enables you to work on a wider variety of materials
  • Precise control by microcomputer
  • User-Friendly design
  • Auto Cruise Function
  • Audible Function Check
  • Easy-to-operate Display Panel
  • Digital Speed Display
  • Maintenance Mode Setting
  • Includes your choice of micromotor
    • Compact
      • Max Torque: 6.0 Ncm
      • Dimensions: L144 x W27 mm
      • Weight: 181g
      • Cord Length: 1.2 m
    • Torque
      • Max Torque: 8.7 Ncm
      • Dimensions: L151 x W29 mm
      • Weight: 219g
      • Cord Length: 1.2 m



  • An optional bracket is available for wall mountingoptional-bracket
  • Color: Gray/Blue
  • Power Supply : AC 120V or 230V 50/60 Hz
  • Weight : 3.2 kg
  • Dimensions: W90 x D270 x H230 (mm)


Click Image Below To Enlarge.


Ultimate XL Micromotors



NSK Advantages




ULTIMATE XL Product Brochure