HSK TAPER - COOL-BLAST / COOL-FLANGE HOLDER | SHRINK FIT HOLDERS - COOL-BLAST AND COOL-FLANGE | Portaherramientas
Item Number
Description
Price
Drawings
Weight
Discover our CNC machine tools and accessories in our
online store.
online store.
Get Our Exclusive Product Catalog
Explore our high-quality CNC tools and accessories. Find precision-engineered products
tailored to your needs. Download now and elevate your machining operations.
Accuracy
HSK Taper Cool-Blast / Cool-Flange Holders from PAC Precision Tools, a top CNC tools supplier serving manufacturers in New York, are engineered for high-speed and high-precision machining environments. The HSK hollow shank interface ensures excellent rigidity and dynamic balance, while the integrated coolant system improves thermal management and chip evacuation.
Designed for advanced CNC machining centers, these holders provide superior cooling efficiency and stable cutting performance.
Dimensions

Features
- HSK hollow shank interface for high-speed machining
- Dual contact system for maximum rigidity
- Cool-Blast system for direct coolant to the cutting zone
- Cool-Flange design for optimized coolant flow
- Balanced for high-speed machining performance
- Balanced to 25,000 RPM at G2.5
- AT3 precision interface for accurate spindle fit
- Accuracy: 0.0001" TIR or better
- H5 bore tolerance for optimum surface contact with the cutting tool
- Coolant-through flange capability – DIN-B (AD+B)
- High-precision pilot holes
- Improved chip evacuation and thermal control
- Hardness: HRC 56–58
- Case-hardened alloy steel construction
- Corrosion-proof holders with a special rust preventive coating
- Surface Roughness: Ra < 0.005 mm
PAC Precision Tools HSK Cool-Blast / Cool-Flange Holders enhance machining efficiency, maintain thermal stability, and extend tool life in high-speed CNC machining operations.
Frequently Asked Questions
1. What is an HSK Cool-Blast or Cool-Flange Shrink Fit Holder?
An HSK Cool-Blast or Cool-Flange holder uses the HSK dual-contact taper for high precision, combined with coolant channels for better heat control. This design is ideal for high-speed machining and tight-tolerance work.
2. Why choose HSK holders with cooling features?
HSK holders already offer excellent rigidity and accuracy due to their face-and-taper contact. Adding Cool-Blast or Cool-Flange cooling further improves tool life, chip evacuation, and overall machining reliability.
3. What HSK sizes are available with these cooling features?
PAC Precision Tools USA offers HSK50A, HSK63A, HSK100A, and more. These holders support efficient coolant delivery while maintaining perfect balance and accuracy.
4. Are HSK cooling holders suitable for high-speed machining?
Yes, HSK holders are specifically designed for high-speed machining. The cooling system helps manage heat during continuous cutting, improving accuracy and reducing tool wear.
5. How do Cool-Blast coolant channels work in HSK holders?
Cool-Blast channels deliver coolant from the inside of the holder directly to the cutting edge. This keeps the tool cool, improves chip flow, and enhances cutting performance.
6. How do I maintain HSK Cool-Blast or Cool-Flange holders?
Clean both the taper and face surfaces, flush coolant channels regularly, and store the holder in a dry place. Proper care keeps the cooling system functioning effectively.
7. Need help choosing the right HSK cooling holder?
For more information, 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 in the USA.
Quick Link
- Tool Holders
- Collets
- Tool Holders Bushings
- Retention Knobs
- CNC Live/Dead Centers
- Other Accessories
- ER Collet Holders
- End Mill Holders
- Hydraulic Holders
- Face Mill Holders
- Shrink Fit Holders
- Tooling Packages
- Power Milling Holders
- ER Collets
- ER Steel Sealed Collets
- ER Jet Spray Coolant Collets
- SK Collets (Super Collets)
- Reduction Sleeves For Hydraulic Chuck
- Straight Collets For Milling Chucks
- Quick Change Tapping Adapters
- Boring Bar Sleeves
- CNC Dead Centers
- ER Wrench
- Tool Locking Device
