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613048 | CAT DUAL-CONTACT TAPER | ER COLLET HOLDERS

$260.00
Chicago, USA Stock -
Canada Stock -
DCAT50-ER25-8" Dual-Contact Holder
Specification
NutType: SLOTTED
Drawing: 613048.dxf Drawing: 613048.pdf Drawing: 613048.stp
Proj. Length: 8" Inch
Series: ER25
Taper: DCAT50
  • US Domestic Shipping Only: We ship exclusively within the United States using UPS as our primary carrier.
  • Processing Time: Orders are typically processed within 1–2 business days. Orders placed on weekends or holidays will be processed on the next business day.
  • Delivery Times: Delivery times vary based on the shipping method and destination (estimates are provided at checkout). Please note that carrier delays (e.g., weather or unforeseen issues) are beyond our control.
  • Costs & Methods: UPS Standard, Expedited, and Express methods are available. Shipping rates are calculated based on weight and destination at checkout.
  • Tracking & Support: Tracking information will be emailed once shipped. For tracking issues, errors, or damaged/lost packages, contact us at sales@pactoolsusa.com or 262-282-2456.
Description
DCAT50-ER25-8" Dual-Contact Holder

Accuracy

At PAC Precision Tools, a CNC Tools supplier in Washington, CAT Dual-Contact ER Collet Holders are engineered for enhanced rigidity and high-speed stability. The dual-contact system allows simultaneous contact at the taper and spindle face, improving accuracy and vibration control.

Dimensions

ER COLLET HOLDERS DUAL CONTACT CAT TAPER Dimensions

Features

  • Balanced to 25,000 RPM at G2.5
  • Holder taper designed for dual-contact spindle compatibility
  • Standard Flange Coolant AD+B feature on all CAT dual-contact holders
  • Corrosion-proof construction with a special rust-preventive coating
  • Accuracy: 0.0001" TIR or better
  • AT3 class precision taper
  • Standard through-tool coolant capability
  • High-precision pilot holes for accurate tool positioning
  • Hardness: HRC 56–58
  • Carbon depth: 0.8mm ± 0.2mm
  • Surface roughness: Ra < 0.005mm
  • Manufactured from case-hardened alloy steel
  • Precision-balanced nuts individually balanced up to 25,000 RPM

Designed for demanding CNC environments requiring improved stability and accuracy.

Frequently Asked Questions

1. What is a CAT Dual-Contact ER Collet Holder? ▼
A CAT dual-contact ER holder is an advanced tool that ensures contact between the taper and face of the spindle, providing greater rigidity and improved machining accuracy
2. What are the main advantages of dual-contact technology? ▼
Dual-contact holders reduce tool deflection, enhance surface finish, and provide longer tool life- especially in high-speed and heavy-duty machining environments.
3. Are CAT Dual-Contact holders compatible with standard CAT spindles? ▼
They are specifically designed for machines equipped with dual-contact spindles but can also operate in standard CAT tapers, offering flexibility. Always verify your spindle’s compatibility before installation.
4. How does a CAT Dual-Contact ER Holder improve performance? ▼
The contact of the face and taper minimizes vibration and increases tool stability, resulting in better precision and an extended spindle life.
5. Can I use the same pull stud as standard CAT holders? ▼
Dual-contact holders may require the specific pull studs designed for dual-face contact. Always check the recommended pull stud specification.
6. Are these holders suitable for high-speed applications? ▼
Yes, they are dynamically balanced for high-speed machining, offering consistent results even in demanding production runs.
7. How should I care for PACTools CAT Dual-Contact ER Holders?▼
You should clean both the taper and face surfaces before use and ensure proper torque tightening to maintain full contact accuracy. Any debris may affect contact precision, so make sure to clean oil, dirt, or chips.

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