Collet chuck holder
Slim series NIKKEN KOSAKUSHO WORKS LIMITED

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Nikken's Slim Chuck provides customers with high-gripping torque and excellent run-out accuracy for high-precision drilling and light milling. The Slim Chuck offers performance, accuracy and substantial productivity increases over conventional ER type systems and is available for both standard and high speed applications.

The Slim Chuck incorporates Nikken's exclusive TiN Bearing Nut technology. Our TiN Bearing Nut is more efficient allowing improved tightening and accuracy thus delivering better all-round performance than similar competitor products adopting a complicated ball bearing nut design. The main benefits are:

Improved 'sliding effect' lowers friction due surface hardness of the TiN bearing (HV2,200).
Reduced internal corrosion for longer life and improved cutting performance - the uncomplicated design allows better balance improving surface finish and run-out accuracy.
Better contact between nut and collet results in less vibration and therefore improved accuracy and performance.