BBT Tool Holders: Ultimate Rigidity with Double Contact Technology

AVASTEC BBT Tool Holders deliver unparalleled stability and extreme precision for the most demanding machining operations. Widely recognized in the industry as Big Plus, Face Contact, or Double Contact holders, this advanced dual-contact design provides superior rigidity in CNC machining centers. By ensuring simultaneous taper and flange contact, our BBT series extends tool life and elevates surface finish quality. Developed under our “Precision Clamping Technology” philosophy, these holders eliminate vibration and guarantee maximum performance even during heavy-duty cutting.

A Comprehensive Range of BBT Tool Holders

To fully meet the rigorous demands of your production facility, we offer a versatile selection of BBT (Face Contact) holders. Ideal for high-speed and heavy milling, drilling, and precision tasks, our lineup includes:

• BBT ER Collet Chuck: For flexible, highly accurate, and standard tool clamping with enhanced dual-contact rigidity.
• BBT Milling Chucks & BBT End Mill Holder: Extreme gripping force and double contact stability designed for aggressive roughing operations.
• BBT Shrink Fit Holder & BBT Hydraulic Chuck: Absolute concentricity and balance for high-speed machining (HSM) and fine finishing applications.
• Specialized Tooling Solutions: A broad array featuring BBT Morse Taper Adapters, BBT Combi Shell Mill Holders, BBT Face Mill Holders, BBT Milling Cutter Arbors, and BBT Quick Change Tapping Chucks to match any specific machining requirement.

Why Choose the AVASTEC BBT Series for Production?

Selecting the optimal tool holder is critical for spindle longevity and part accuracy. The AVASTEC BBT Tool Holders series integrates flawlessly with your machine spindle through its innovative Double Contact interface. Utilizing premium materials, perfect dynamic balancing, and precision-ground surfaces, this design ensures that both the taper and the face of the holder make contact with the spindle simultaneously. This dramatically dampens cutting vibrations, protecting your machine tools and optimizing your overall manufacturing efficiency.

BBT tool holders are the ultimate solution for CNC centers that require maximum durability and precision. Featuring the Face Contact advantage, these holders provide superior concentricity and extreme resistance to deflection, making them indispensable for high-speed milling, heavy-duty drilling, and rigid tapping. By offering rock-solid tool clamping and near-zero runout, they ensure flawless surface quality, extended insert life, and highly repeatable machining. Available in popular sizes such as BBT30, BBT40, and BBT50, these Big Plus compatible tool holders are highly sought after in the aerospace, automotive, and heavy metalworking industries.