Shrink Fit Chuck

Precision shrink fit toolholders engineered for secure clamping, low runout and reliable high-speed machining performance.

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Description

Premier Tooling Systems offers a broad range of shrink fit chuck configurations for CAT, HSK and BT-style machine interfaces. The catalogue includes standard 4.5° shrink fit chucks, coolant-through configurations, MQL-compatible designs and slim 3° holders for applications where accessibility and reduced toolholder clearance are important.

Precision Toolholding for Demanding Machining

Shrink fit technology provides a rigid, concentric connection between the cutting tool and holder. The range includes configurations specified with runout of ≤0.003 mm and balance ratings up to G2.5 at 25,000 RPM on applicable models

Why Choose Shrink Fit Toolholding?

High concentricity
Designed for precise tool positioning and controlled runout.

Rigid clamping
A strong connection between the cutting tool and holder supports stable machining.

Compact profile
Slim configurations help improve access in restricted machining areas.

High-speed capability
Selected holders are rated to G2.5 / 25,000 RPM.

Multiple coolant options
Standard coolant-through, MQL1 and MQL2 configurations are available within the range.

Available Configurations

CAT40 and CAT50 shrink fit holders
HSK-A configurations including HSK32A, HSK40A, HSK50A, HSK63A, HSK80A, HSK100A and HSK125A
HSK-E and HSK-F high-speed toolholder configurations
BT-style shrink fit holders
Standard 4.5° shrink fit chucks
Slim 3° shrink fit chucks
Coolant-through versions
MQL1 single-channel configurations
MQL2 dual-channel configurations
Metric and inch tool sizes