518005 | BT DUAL-CONTACT TAPER | END MILL HOLDERS

Name: 518005
Brand: Pac Precision Tools USA
Price: 130.00 USD
Availability: InStock

$130.00

Chicago, USA Stock -

Canada Stock -

DBT40-SLN3/8"-2-1/2" Dual-Contact End Mill Holder

Specification

BoreSize: 3/8" Inch

Proj. Length: 2-1/2" Inch

Taper: DBT40

Delivery and Shipping

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

Description

DBT40-SLN3/8"-2-1/2" Dual-Contact End Mill Holder

Accuracy

PAC Precision Tools BT Dual-Contact End Mill Holders offer enhanced spindle interface stability through taper and face contact. This dual-contact design increases rigidity and minimizes spindle deflection under heavy loads.

Dimensions

Features

Dual contact at taper and spindle face
Improved rigidity and cutting stability
Reduced spindle deflection
Available in DBT30, DBT40, and DBT50 tapers
Secure Weldon flat set screw locking system
H5 bore tolerance for optimal tool contact
Balanced to 25,000 RPM at G2.5
Standard AD+B flange coolant feature on all dual-contact holders
Holder taper designed for dual-contact spindles
Corrosion-proof construction with a special rust-preventive coating
AT3 class taper accuracy
H5 bore tolerance for optimum contact with the cutting tool
Hardness: HRC 56–58
Carbon depth: 0.8 mm ± 0.2 mm
Surface roughness: Ra < 0.005 mm
Crafted from case-hardened alloy steel

Frequently Asked Questions

1. What is a BT Dual-Contact End Mill Holder? ▼

It’s a precision BT Dual-Contact End Mill Holder designed for BT spindles that use both face and taper contact, providing a stronger and more rigid tool connection for precision machining.

2. What are the advantages of PACTools BT Dual-Contact holders? ▼

These are the benefits of PACTools BT Dual-Contact holders: they reduce vibration, increase stiffness, and deliver higher accuracy at high cutting speeds. The dual-contact surface also enhances tool life and cutting consistency.

3. Are BT Dual-Contact holders compatible with all BT spindles? ▼

No, they’re designed for machines that specifically support dual-contact systems. Check your spindle type to ensure compatibility before use, or you can contact PAC Precision Tools for needed guidance.

4. How does the dual-contact system help? ▼

It improves spindle-to-holder connection, ensuring precise alignment, less wear, and better surface finishes during production.

5. Are they balanced for high-speed machining? ▼

Yes, all PACTools BT Dual-Contact holders are dynamically balanced, allowing smooth performance even at very high RPMs.

6. Do they require special pull studs? ▼

Yes, they use specially designed pull studs for proper face contact, ensuring the highest rigidity and safety.

7. How should I store PACTools BT Dual-Contact holders? ▼

Store them in a clean, dry place using holder racks. Avoid dropping or stacking to prevent scratches that could affect contact precision, and always look for debris or dirt before using. If you need more information on storing and maintenance, please contact us.