Description
Industrial BT40 Power Milling Chuck (Dia 20 x 90 mm)
Designed for demanding roughing and heavy-duty profiling on BT40 CNC machines. The multi-lock needle bearing design generates immense gripping torque to eliminate tool pull-out and rotation.
- Taper Standard: BT40 (MAS 403 / JIS B 6339)
- Clamping Diameter: 20 mm
- Projection Length (L): 90 mm
- Runout Accuracy: < 0.010 mm
- Clamping Mechanism: Needle roller bearing lock
- Balancing Grade: G6.3 / 12,000 RPM
- Application: Heavy end milling, side milling, rough slotting