CAT TAPER - COOL-BLAST / COOL-FLANGE HOLDER | SHRINK FIT HOLDERS - COOL-BLAST AND COOL-FLANGE | Portaherramientas
543042MCB
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Accuracy
PAC Precision Tools CAT Taper Cool-Blast / Cool-Flange Holders are designed to enhance coolant delivery and machining performance in CNC milling operations. The integrated Cool-Blast system directs coolant precisely to the cutting edge, while the Cool-Flange design improves coolant distribution at the spindle interface.
Engineered from premium case-hardened alloy steel, these holders ensure durability, strong clamping performance, and reliable operation in high-speed machining environments.
Dimensions

Features
- Balanced to 25,000 RPM at G2.5
- Cool-Flange design for improved coolant distribution
- Excellent concentricity for extended tool reach
- Corrosion-proof holders with a special rust preventive coating
- Accuracy: 0.0001" TIR or better
- AT3 Class taper accuracy
- H5 bore tolerance for optimum surface contact with the cutting tool
- Coolant-through flange capability – DIN-B (AD+B)
- High-precision pilot holes
- Surface Roughness: Ra < 0.005 mm
CAT Cool-Blast / Cool-Flange Holders by a trusted Coolant-blast/Coolant-flange Supplier serving manufacturers in Virginia improve cooling efficiency, extend tool life, and enhance machining stability during high-performance CNC operations.
Frequently Asked Questions
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- 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
