Description
Heavy-Duty BT30 Power Milling Chuck (Dia 20 x 75 mm)
Engineered for high-torque milling on BT30 machining centers. Features internal needle roller bearings that provide extreme clamping force and prevent tool slippage under heavy cutting loads.
- Taper Standard: BT30 (MAS 403 / JIS B 6339)
- Clamping Diameter: 20 mm
- Projection Length (L): 75 mm
- Runout Accuracy: < 0.010 mm
- Clamping Mechanism: High-torque needle roller bearing lock
- Balancing Grade: G6.3 / 12,000 RPM
- Application: Heavy rough milling, slotting, drilling, solid carbide tools