CAT DUAL-CONTACT TAPER | END MILL HOLDERS | TOOL HOLDERS
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Accuracy
PAC Precision Tools CAT Dual-Contact End Mill Holders distributor serving manufacturers in Illinois provides enhanced rigidity by ensuring simultaneous contact at the taper and spindle face. This design improves stability, reduces vibration, and increases tool life during aggressive cutting operations.
CAT Dual-Contact End Mill Holders are engineered for high-precision and high-load machining environments. Buying a CAT Dual-Contact End Mill Holders from a trusted CNC.
Dimensions

Features
- Dual contact at taper and flange face
- Increased rigidity compared to standard CAT
- Reduced vibration in high-speed machining
- Balanced to 25,000 RPM at G2.5
- AT3 taper accuracy
- Set screw locking system for secure tool retention
- H5 bore tolerance
- Surface roughness: Ra < 0.0005 mm
- DCAT40 and DCAT50
- Hardened alloy steel construction (HRC 56–58)
Frequently Asked Questions
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- Tool Holders
- Collets
- Tool Holders Bushings
- Retention Knobs
- 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
- ER Wrench
- Tool Locking Device
