Live centre


NEIDLEIN type RNA are used in turning applications for work pieces with large centre holes.

By selecting various centre cones, the clamping of a large range of work piece diameters can be achieved.

Various centre cones from von Ø25mm to Ø315mm are standard and can therefore mostly be kept in stock.
Special cones up to Ø400mm can be delivered upon request.
Easy mounting and demounting is ensured by using a taper interface and socket head cap screw.

Max. true run-out accuracy of the live centre is 0.005mm and the total run-out accuracy including attached taper cone is 0.01mm max.

Appropriate accessories:


  • Order for general catalog: order form
  • Telephone information: +49 (0) 7471/9608-0

Live centre type RNA

Selection of live centres