High Precision ISO30-SF Shrink Fit Tool Holder

The ISO30-SF Shrink Fit Tool Holder is engineered for high-precision, high-speed CNC milling, engraving, and automated woodworking router spindles. By utilizing advanced thermal expansion technology, the tool holder heats up to insert the cutting tool and contracts upon cooling, delivering an exceptional 360-degree uniform clamping force and unmatched runout accuracy.

Manufactured from high-grade alloy steel with precision-ground taper and bore, this shrink fit chuck provides superior rigidity, low vibration, and extended tool life under heavy-duty, high-RPM operations.

Key Advantages & Selling Points

• Ultra-High Concentricity & Precision (≤ 0.003mm): Offers seamless 360° uniform clamping with extreme runout accuracy, significantly reducing tool wear and improving workpiece surface finish.
• Superior Clamping Force & Rigidity: The thermal shrinkage mechanism creates an incredible grip strength that eliminates tool slippage, chatter, and micro-vibrations during heavy cuts.
• Dynamic Balanced for High-Speed Operation (G2.5 @ 30,000 RPM): Factory pre-balanced to G2.5 at up to 30,000 RPM, ensuring ultra-smooth high-speed machining and protecting delicate spindle bearings.
• Slim Contour & Compact Nose Design: The slim profile provides maximum clearance in tight machining areas, narrow pockets, and deep 3D contouring operations.
• Hardened & Long-Lasting Construction: Heat-treated alloy steel delivers high fatigue strength, heat resistance, and long-term dimensional stability even after repeated heating/cooling cycles.
• No Moving Parts (Maintenance-Free): Unlike traditional collet chucks, shrink fit holders eliminate collets, nuts, and moving components, making them extremely reliable and easy to clean.
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Technical Specifications

Applications

• Compatible Machinery: CNC Milling Machines, High-Speed CNC Routers, Woodworking Machining Centers, Aluminum & Non-Ferrous Metal Cutting Equipment.
• Ideal Cutting Tools: Solid Carbide End Mills, Drills, Reamers, and Finishing Tools.