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BT DUAL-CONTACT TAPER | FACE MILL HOLDERS | Portaherramientas
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Accuracy
BT Dual-Contact Face Mill Holders from the best precision tooling supplier in the USA, offer improved spindle interface rigidity through dual contact at the taper and face. This design enhances stability during heavy cutting operations.
Dimensions
Features
- Dual contact at taper and spindle face
- Increased rigidity and reduced spindle deflection
- Enhanced cutting stability under heavy loads
- Available tapers: DBT30, DBT40, DBT50
- Balanced to 25,000 RPM at G2.5
- Holder Taper is designed for dual contact spindle
- High precision pilot holes
- Corrosion Proof - all holders have special rust preventive coating
- Hardness: HRC 56-58
- AT3 Class Taper
- Carbon depth: 0.8mm +-0.2mm
- Surface Finish: Ra < 0.005mm
- H6 arbor tolerance
- Crafted from case-hardened alloy steel
Frequently Asked Questions
1. What is a BT Dual-Contact Face Mill Holder?
A BT Dual-Contact Holder provides contact at both the taper and face of the spindle, offering improved rigidity and accuracy. This design helps maintain tool stability during high-performance milling.
2. Why are dual-contact BT holders used?
They reduce tool deflection, improve cutting finish, and provide higher precision, making them ideal for aerospace, automotive, and mold industries that require tight tolerances.
3. Are these holders compatible with standard BT machines?
No, they are made for BT machines with dual-contact spindle systems. Using them on regular BT spindles will not provide proper contact.
4. Are BT Dual-Contact holders suitable for high-speed machining?
Yes, they are fully balanced for stable high-speed operations. Their increased rigidity provides better performance under heavy cutting loads.
5. How do I care for these holders?
Clean both the taper and face contact surfaces after each use. Dirt or scratches can affect the dual-contact fit and reduce machining accuracy.
6. Do they require special pull studs?
Yes, dual-contact holders need specific pull studs designed to maintain proper face contact for maximum rigidity.
7. Need guidance on selecting the right holder?
For guidance, you can contact us at +1 262-282-2456 or email us at sales@pactoolsusa.com. PAC Precision Tools USA is a precision tools supplier in the USA.
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