SDA 80 45 320 BT50

The SDA 80-45-320-BT50 Thread Coupling Holder is a high-rigidity adaptor designed for secure connection of Smart Damper tools to BT50 machine spindles. It features an 80 mm body diameter, 320 mm functional length, M45 × 0.75P RH thread coupling, and central internal coolant. The case-hardened BT50 taper provides excellent wear resistance, dimensional stability, and extended service life.