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BT collet chuck BTx0 series
ISOERwith slim collet

BT collet chuck
BT collet chuck
BT collet chuck
BT collet chuck
BT collet chuck
BT collet chuck
BT collet chuck
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Machine mount
Clamping method
ER, with slim collet
milling, drilling
Other characteristics
high-precision, high-speed, straight
Rotational speed

Max.: 40,000 rpm (251,327 rad.min-1)

Min.: 0 rpm (0 rad.min-1)


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 to 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. Nikken Slim Chucks have a more rigid structure and provide a considerably higher gripping torque than similar competitor products. This is provided by our compact taper and wedge principle; the system adopts an 8 degree collet taper with square shoulder pushing provided from the TiN bearing nut. The result is quite straight forward - the smaller the taper angle, the higher the gripping force and concentricity that can obtained.



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