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CAT TAPER | HYDRAULIC HOLDERS | TOOL HOLDERS
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Accuracy
CAT Taper Hydraulic Holders from PAC Precision Tools, a distributor of Hydraulic Holder CAT Taper for CNC shops in Kentucky, are designed to deliver high clamping accuracy and vibration damping for precision CNC machining. The 7:24 steep taper ensures secure spindle engagement, while the hydraulic expansion system provides uniform tool gripping pressure for superior concentricity.
Dimensions
Features
- Hydraulic expansion technology for uniform clamping
- Accuracy: ≤ 3 Micron (0.0001” TIR)
- Balanced to 25,000 RPM at G2.5
- AT3 Class taper accuracy
- Excellent vibration damping for improved surface finish
- Standard through-tool coolant capability
- High-precision pilot bore
- Hardness: HRC 56–58
- Case depth: 0.8 mm ± 0.2 mm
- Surface roughness: Ra < 0.0005 mm
- Engineered from case-hardened alloy steel
- Available tapers: CAT40 and CAT50
PAC Precision Tools CAT Hydraulic Holders are ideal for high-precision drilling, reaming, and finishing applications. They significantly reduce runout and improve dimensional consistency. Designed for stable machining performance, they help maximize tool life and productivity.
Frequently Asked Questions
1. What is a CAT Taper Hydraulic Holder?
A CAT Taper Hydraulic Holder is designed for CNC machines using CAT40 or CAT50 spindles. It offers strong tool holding, low runout, and excellent vibration damping, making it ideal for high-precision machining.
2. Why choose CAT Hydraulic Holders?
CAT tapers provide a rigid and stable connection to the spindle. Combined with hydraulic clamping, they offer exceptional accuracy, better surface finish, and extended tool life in CNC machining.
3. What CAT taper sizes are available?
PAC Precision Tools USA offers CAT40 and CAT50 Hydraulic Holders. These sizes cover a wide range of CNC machines used in heavy machining and precision finishing work.
4. Are CAT Hydraulic Holders good for high-speed work?
Yes, CAT holders are balanced for smooth, high-speed machining. Their hydraulic damping reduces vibration, improves accuracy, and supports better cutting performance in demanding operations.
5. How do I use a CAT Hydraulic Holder?
Insert the tool, tighten the hydraulic screw or key until the tool is clamped securely, and ensure the holder is clean. The internal hydraulic chamber distributes clamping pressure evenly along the tool shank.
6. How do I maintain CAT Hydraulic Holders?
Keep the taper clean, check hydraulic seals, and avoid impacts that can affect internal chambers. Routine maintenance helps preserve accuracy and hydraulic pressure for long-term use.
7. Need help selecting the right CAT hydraulic holder?
If you need help in choosing the right for your machining need, you can contact us here +1 262-282-2456 or email us at sales@pactoolsusa.com and we will get back to you.
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