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611062 | CAT TAPER | ER COLLET HOLDERS

$500.00
Chicago, USA Stock -
Canada Stock -
CAT50-ER40-15"-HOLDER
Specification
Description
CAT50-ER40-15"-HOLDER

Accuracy

PAC Precision Tools CAT Taper ER Collet Holders are designed for secure spindle engagement and reliable torque transmission in CNC machining centers. The taper ensures strong tool holding performance for a wide range of milling and drilling operations.

Features

  • Balanced to 25,000 RPM at G2.5
  • Flange Coolant AD+B feature is standard on all CAT holders
  • Corrosion-proof holders 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 rated up to 25,000 RPM

Frequently Asked Questions

1. What is a CAT Taper ER Collet Holder?▼
ACAT taper ER Collet Holder is designed with a steep taper interface for use on CAT spindle machines. Suitable for heavy-duty and general machining tasks.
2. What are the available sizes for CAT Taper ER Collet Holders? ▼
PAC Precision Tools offers CAT40 and CAT50 taper ER Collet Holders, suitable for a variety of CNC milling machines used in industrial production. And both are designed for compatibility with common CNC machining centers.
3. What are the key advantages of CAT Taper holders? ▼
CAT Taper holders deliver excellent rigidity, reduced vibration, and improved repeatability, making them ideal for heavy-duty and high-torque applications.
4. Can CAT Taper ER Holders be used in high-speed machining? ▼
Yes, they are balanced to meet high-speed machining requirements and reduce spindle vibration, ensuring smoother cutting operations.
5. How do I select the correct pull stud for CAT ER holders?▼
Choose pull studs according to your spindle model and thread specifications to ensure secure clamping and safe operation. You can contact us here +1 262-282-2456 or email us at: sales@pactoolsusa.com to know more.
6. How should I maintain my CAT Taper ER Holder? ▼
Always clean tapers, nuts & threads before and after use; inspect for wear; apply rust-preventive oil; and store them in a clean, dry environment. Regular maintenance ensures consistent tool performance.
7. Are CAT Taper ER Holders interchangeable with BT or HSK holders? ▼
No,CAT holders have a different taper angle and flange design, making them specific to CAT spindle machines. You can contact us here +1 262-282-2456 or email us at sales@pactoolsusa.com to know more.

Features

  • Hardness: HRC 56–58
  • Case Depth: 0.8 mm ± 0.2 mm
  • Surface Roughness: Ra < 0.005 mm
  • Bore Tolerance: H5 for maximum tool contact
  • Through-Tool Coolant: Standard
  • Balancing: 25,000 RPM at G2.5
  • High-precision pilot bore for improved concentricity
  • Enhanced clamping torque for heavy-duty milling and drilling
  • Superior vibration damping for improved surface finish
  • Extended tool life through optimized contact geometry
  • Hardness: HRC 56–58
  • Reduced runout for high-speed machining environments
  • Compatible with standard ER collet systems (ER16 through ER40)

PAC Precision Tools – Precision, Stability, Performance.

Frequently Asked Questions

1. What is an ER Collet Holder used for? ▼
An ER Collet Holder is designed to securely hold cutting tools such as end mills, drills, and taps in CNC machines, providing excellent concentricity and grip. It is widely used in machining operations where precision and rigidity are essential.
2. What are the benefits of using PACTools ER Collet Holders? ▼
PACTools ER Collet Holders offer a strong gripping force to reduce vibrations, high accuracy, and flexibility to clamp different shank sizes using a single chuck system. They are suitable for both roughing and finishing applications across milling, drilling, and tapping processes, ensuring consistent runout and extended tool life.
3. How do I select the right ER Collet Holder for my machine? ▼
Select an ER Collet Holder based on your machine’s spindle type (CAT, BT, or HSK), the required collet size (ER16, ER32, etc.), and your cutting tool diameter. Matching the correct taper ensures proper fit and reliable performance.
4. What is the runout accuracy of PAC Precision Tools ER Collet Holders? ▼
ER Collet Holders from PAC Precision Tools are engineered with high runout accuracy, ensuring stable performance and superior surface finish even during high spindle speed machining.
5. Are ER Collet Holders suitable for high-speed machining? ▼
Yes, ER Collet Holders are precision balanced and suitable for high-speed operations. They provide consistent accuracy and reliability even under heavy spindle loads in demanding machining environments.
6. How do I maintain ER Collet Holders for longer life? ▼
Clean the collet and nut after every use, avoid over-tightening, and ensure proper lubrication. Regular maintenance improves tool life, machining accuracy, and overall performance.
7. Are ER Collet Holders compatible with coolant-through systems? ▼
Yes, ER Collet Holders support coolant-through functionality, allowing efficient chip removal and longer tool life during high-speed cutting, making them versatile for multiple applications.
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