Material and Hardness
- Material:65Mn
- Hardness:≥ HRC52
- The use of 65Mn steel ensures high strength and durability, capable of withstanding the rigors of high-speed machining.
Clamping Accuracy
- Clamping Accuracy: <0.005mm
- This high level of precision ensures minimal runout, leading to better surface finishes and extended tool life.

Speed
- Speed: ≤ 25000RPM
- Designed for high-speed operations, the BT-SF Shrink Tool Holders can handle the most demanding machining tasks with ease.
Split Type Availability
- Split Type: Available
- The split type design allows for easy tool changes and maintenance, enhancing operational efficiency.
360° Shrink Clamping
- Full-Circle Clamping: Ensures uniform force distribution, leading to longer tool life and consistent performance.
- Repeated Use: The tool holders can be repeatedly operated and used, making them a cost-effective solution for long-term use.

Deep Cavity Processing
- High Efficiency: Designed for deep cavity processing, these tool holders offer high efficiency and excellent shock resistance.
- Shock Resistance: The robust design ensures stability and reliability even under heavy machining conditions.
Special Stainless Steel and Carbide Tools
- Expansion Coefficient Difference: Utilizes the difference in expansion coefficients between special stainless steel and carbide tools for effective clamping and disassembly.
- Ease of Use: This feature simplifies the tool change process, reducing downtime and increasing productivity.

Applications
The BT-SF Shrink Tool Holders are suitable for a variety of CNC machining applications, including:
- High-Speed Machining: Ideal for operations requiring high spindle speeds and precision.
- Deep Cavity Machining: Perfect for complex and deep cavity workpieces.
- General Machining: Versatile enough for a wide range of machining tasks, from milling to drilling.
Product Range
- BT40 Tool Holders: Suitable for medium-sized machining centers.
- BT50 Tool Holders: Designed for larger machining centers requiring higher torque and stability.
- BT-SF CNC Tool Holders: A versatile option for various CNC machining needs.
- BT Shrink Fit Chucks: Ensures a secure and precise grip on cutting tools.
OEM and ODM Services
OLICNC® supports OEM and ODM services, allowing customers to customize tool holders to meet specific requirements. Whether you need unique dimensions, special materials, or specific features, our team can work with you to develop the perfect solution.
Conclusion
The BT-SF Shrink Tool Holders from OLICNC® offer a perfect blend of precision, durability, and cost-effectiveness. With features like 360° shrink clamping, high-speed capabilities, and deep cavity processing, these tool holders are designed to enhance your CNC machining operations. Whether you are looking for BT40, BT50, or custom tool holders, OLICNC® has the expertise and products to meet your needs.
For more information or to place an order, please visit our website or contact our sales team. Experience the difference with OLICNC® BT-SF Shrink Tool Holders – where precision meets performance.