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CoroChuck® 930

Pull-out security

With the best pull-out security on the market, this chuck is designed to eliminate vibration for excellent stability and accessibility in all milling and drilling operations.

Easy handling

Based on a hydraulic tool clamping system, CoroChuck™ 930 can be quickly tightened or released with a dedicated torque wrench, improving efficiency through quick and easy set-ups and changes. No external equipment is required to clamp or unclamp the system.

High precision

The chuck contains tolerances within microns to improve tool precision, surface finish and productivity. Precision run-out can be measured at <4 μm (157 μinch) at 2.5 × DC.

View More Features
  • The machine-side coupling is ground as the last operation to meet the highest demands on precision
  • High-precision repetition
  • Available in pencil, slender and heavy-duty designs. A short version with minimum length for swing diameter clearance in turning centers with driven tool holders is also available
  • Balancing according to ISO 16084
  • Clamping length can be adjusted with an adjustment screw

Find your tool and buy

Application area


Diameter, mm

​ ​ ​ ​
Finishing Semi-
finishing
Roughing Heavy
roughing

Application

  • Hydraulic chuck for milling, drilling and reaming operations where precision, easy handling and high pull-out security are required
  • Suitable for most common machine interfaces
  • Use in machine tools with rotating spindle, e.g. multi-task machines and machining centers, as well as driven tools in turning centers and vertical turning lathes

Product range

Coromant Capto®

CoroChuck™ 930 version:

Heavy duty, Slender, Pencil, Turning

Coupling size:

C3–C10

Bore size, mm (inch):

12–32 (0.47–1.26)

HSK-A/C/F

CoroChuck™ 930 version:

Heavy duty, Slender, Pencil

Coupling size:

40, 50, 63, 80, 100

Bore size, mm (inch):

12–32 (0.47–1.26)

ISO/ISO BIG-PLUS

CoroChuck™ 930 version:

Heavy duty, Slender, Pencil

Coupling size:

40, 50

Bore size, mm (inch):

12–32 (0.47–1.26)

CAT-V/CAT-V BIG-PLUS

CoroChuck™ 930 version:

Heavy duty, Slender, Pencil

Coupling size:

40, 50

Bore size, mm (inch):

12–32 (0.47–1.26)

MAS-BT/MAS BT BIG-PLUS

CoroChuck™ 930 version:

Heavy duty, Slender, Pencil

Coupling size:

30, 40, 50

Bore size:

12–32 (0.47–1.26)

TailorMade

Wide TailorMade assortment offers extensive opportunities to optimize CoroChuck™ 930 for your component.

View TailorMade offer

Collets

Available with precision coolant through grooves on the inside of the sleeve, ensuring that the coolant reaches the cutting edge even at a high number of revolutions per minute.

Fulcrum technology

The secret behind the high precision and pull-out security of CoroChuck™ 930 is the clamping mechanism, designed with fulcrum technology. A thin, brazed membrane with an optimized clamping design expands to create two distinct clamping points on each side. This results in a consistently repeated clamping force, providing the best possible pull-out resistance and damping performance.

This design ensures excellent torque transmission and improves the performance of solid carbide end mills, drills and reaming tools. Performance is repeated over multiple clamping cycles to retain high-quality component surfaces and extend tool life.

Fulcrum Technology

Highlights

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CoroChuck™ 930 in action

CoroChuck™ 930 offers the best pull-out security on the market due to the latest fulcrum technology used for uppermost clamping performance with high clamping force.

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Collet with 100% pull-out security

When producing expensive end products and machining with challenging cutting data, choose a collet with a mechanical locking interface, giving maximum pull-out prevention for Weldon shanks.

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Productive machining

See how using CoroChuck™ 930 can take your machining productivity to new levels.

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