How it works
Induction heats the holder's bore in seconds. The steel expands, the tool drops in, and as it cools the bore contracts around the shank — a shrink of microns, a grip of tons. One piece of steel. Zero moving parts.







Explore our premium quality HSK63F shrink fit holders, designed for outstanding precision and rigidity in high-performance CNC machining. HIPPSC shrink fit tool holders are balanced to 30,000 RPM at G2.5, ensuring optimal performance in high-speed applications. With a runout or concentricity of 0.0001" or under 3 microns, they deliver unmatched accuracy for intricate operations.

No collets. No screws. No hydraulics. Just thermal expansion — a single-piece clamp holding sub-3-micron runout at 40,000 RPM.
Induction heats the holder's bore in seconds. The steel expands, the tool drops in, and as it cools the bore contracts around the shank — a shrink of microns, a grip of tons. One piece of steel. Zero moving parts.
Collets and hydraulics introduce joints, and joints introduce wobble. Shrink fit is a monolithic interface — better concentricity, tighter balance, longer tool life. Engineered for 3-, 4-, and 5-axis work where microns decide the part.
Less vibration at the edge. Cleaner surface finish off the spindle. Faster tool swaps between jobs. Shrink fit is the holder of choice when you're milling at speed, drilling at depth, or finishing to spec — and you can't afford to do it twice.
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HIPPSC
Tool Holder / Chuck
Alloy Steel
Solid carbide and HSS
Shrink Fit / Heat Shrink




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