HSK TAPER | HYDRAULIC HOLDERS | Portaherramientas
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Accuracy
HSK Hydraulic Holders from PAC Precision Tools, a Precision Tools Distributor serving customers in Rhode Island, offer features that meet the high-speed and high-precision requirements of CNC machining centers. The hollow shank design taper is sourced from a reliable source in the USA. This ensures maximum rigidity and thermal stability. The hydraulic system ensures high concentricity.
Dimensions

Features
- Hollow shank design tapers from a reliable source in the USA
- Dual contact system ensures maximum rigidity
- Hydraulic expansion system provides high concentricity
- Accuracy: ≤ 3 Micron (0.0001” TIR)
- Balanced to 25,000 RPM at G2.5
- Excellent thermal stability at high RPM
- Standard through-tool coolant capability
- High-precision pilot bore
- Manufactured from premium case-hardened alloy steel
- Available taper types: BT40, HSK50A, HSK63A, HSK100A, and HSK163A
HSK Hydraulic Holders offer high dynamic balance and cutting stability. They find application in the aerospace industry. They are used in the precision engineering sector. They offer low vibration and high thermal control.
Frequently Asked Questions
1. What is an HSK Hydraulic Holder?
An HSK Hydraulic Holder uses the HSK dual-contact taper system to achieve maximum rigidity and precision. Combined with hydraulic clamping, it provides outstanding accuracy for high-speed and finishing applications.
2. Why choose HSK Hydraulic Holders?
HSK tapers provide both face and taper contact, ensuring perfect alignment and minimal runout. Adding hydraulic clamping improves tool stability, reduces vibration, and supports ultra-precise machining.
3. What HSK sizes are available?
PAC Precision Tools USA offers HSK50A, HSK63A, HSK100A, and more. These sizes are engineered for advanced machining centers that demand precise and reliable tool holding.
4. Are HSK Hydraulic Holders good for high-speed machining?
Yes, HSK holders are specifically designed for high-speed machining. Their short taper and face contact ensure exceptional rigidity, while hydraulic damping improves cutting performance and surface quality.
5. How do I install a cutting tool into an HSK Hydraulic Holder?
Place the tool into the bore, tighten the hydraulic screw evenly, and confirm the tool is fully seated. The hydraulic system applies uniform pressure for a secure grip without damaging the tool. If you need any help you can contact us.
6. How should I maintain HSK hydraulic holders?
Clean the face and taper surfaces, ensure the hydraulic chamber is functioning properly, and store the holder in a clean, dry place. This protects accuracy and prevents wear over time.
7. Need help selecting the right HSK hydraulic holder?
If you need any help with selecting the right HSK hydraulic holder for your machining need, you can contact us here +1 262-282-2456 or email us at sales@pactoolsusa.com. PAC Precision Tools USA is a trusted CNC tools distributor serving customers across the United States.
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