Lyndex-Nikken NBT30-SK6C-120 SK Collet Chuck

Lean, Tough & Efficient Toolholding for High-Performance Machining

The Lyndex-Nikken NBT30-SK6C-120 SK Collet Chuck is engineered to deliver superior accuracy, rigidity, and tool life for BT30 CNC machines. Designed with a narrow body profile and a patented titanium nitrided bearing nut, this SK collet chuck outperforms conventional ER collet systems—making it ideal for high-precision, high-productivity machining environments.


Built for Precision and Performance

SK Collet Chucks are proven across millions of installations worldwide and are trusted by manufacturers seeking measurable improvements in finish quality, tool life, and cutting stability. The NBT30-SK6C-120 provides exceptional repeatability and accuracy, helping shops maximize ROI while maintaining tight tolerances.

  • Up to two times more accurate than ER collet chucks
  • Ten times better repeatability for consistent results
  • Increased cutting rigidity for improved surface finish
  • Reduced micro-vibration through collet flange contact

Titanium Nitrided Bearing Nut Advantage

At the core of the SK system is Lyndex-Nikken’s Titanium Nitrided Bearing Nut (HV2,200), protected under US Patent 6,923,451. This advanced design delivers smoother operation and long-term durability under demanding cutting conditions.

  • More efficient than conventional ball bearing nuts
  • High surface hardness (HV2,200) for excellent sliding performance
  • No internal corrosion, friction, or damage
  • Reduced vibration for stable, high-speed cutting
  • Improved cutting performance and extended tool life

Designed for Versatility on BT30 Machines

The slim, narrow-body design of the NBT30-SK6C-120 allows access to tight machining areas without sacrificing rigidity. It’s a versatile solution for a wide range of applications, including:

  • Milling
  • Drilling
  • Reaming
  • Rigid tapping

Whether you’re running short cycles or lights-out production, this SK collet chuck delivers reliable, repeatable performance.


Proven Worldwide. Ready for Your Shop.

With over 1 million SK Collet Chucks and 15 million SK collets sold globally, Lyndex-Nikken SK technology is a proven upgrade from traditional ER systems. Shops switching to SK routinely experience faster return on investment, better finishes, and longer cutter life.


See the Difference for Yourself

Experience the performance advantage of SK collet technology on your BT30 CNC machine.

Request a demo, compare SK vs. ER performance, or contact Yamazen for expert application support today.

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