ISO30 chucks for “ER40” precision collets

SERIES:  183.201/211/221

Right-hand rotation
S RH-LH Order No. Buy now Availability
ISO30 RH 183.201.01 Buy now Not available


The ideal accessories for machining centres, point-to-point machines and CNC routers.


-Extreme precision and reliability.
-Perfect tool centering.
-Defect-free rotation.
-Made from extremely high resistant steel.
-Precision grinding on all jointed parts.
-Extreme high rotation performance >= 15 HP – 20.000 RPM.
-For very efficient sizing on extreme unprecedented high feed speed.
-Excellent finishing quality on the workpiece and longer tool life.
-Sturdy design with reduced height to increase the work space between the machine and the piece.
-Safe and fast tool setup.
-Interchangeable collet clamps with radial grooves for secure parallel tool clamping.
-Wide clamping tolerance (-0.7mm).
-Right or left-hand rotation chucks with self clamping threads.
-Clamping nut with Woodruff radial grooves for c-spanners.
-Practical withdrawal sleeves with double differential threads for the chuck spindle.
-Central hexagonal low profile for easy tool clamping through a c-spanner.
-Designed and tested in collaboration with the most renowned machining and CNC router construction centres.
-Delivered in smart professional packaging.
Chucks 183.201 for Biesse machines.

Chucks 183.211 for Bulleri, Busellato, CMS, and IMA machines and Biesse machines featuring Olmat engine.

Chucks 183.221 for Alberti and Masterwood machines.

REMARK: for the North American market this product is available on request only.
 Item  C-spanner  Clamping nut for chucks  Tirante per mandrini ISO30
183.201.01   991.184.00 
WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance know to the State of California to cause cancer. Avoid inhaling wood dust or use dust mask or other safeguards for personal protection. For more information go to