The 2.2kW Air-Cooled Square Spindle Kit delivers powerful performance, high precision, and reliable air cooling for CNC routers, engraving machines, and milling systems. Designed for continuous operation and durability, this spindle offers smooth running, low noise, and excellent balance, making it ideal for professional and hobby CNC applications.

Paired with a 2.2kW VFD (available in YL Series or H100 Mini options), this kit provides stable speed control, precise frequency output, and efficient performance up to 24,000 RPM. The integrated air-cooled system eliminates the need for external pumps or water lines, offering a low-maintenance and efficient solution for high-speed machining.

Includes: 1× 2.2kW Air-Cooled Square Spindle, 1× ER20 13-Piece Collet Set, 1× 2.2kW VFD (YL Series or H100 Mini)

Spindle Specifications:

• Power: 2.2kW (220V, 8A)

• Collet: ER20 (includes 13-piece collet set)

• Bearings: C7002 × 2, C7005 × 2

• Speed: 0–24,000 RPM

• Frequency: 0–400 Hz

• Runout: <0.005 mm

• Cooling Type: Air-Cooled

• Shape: Square Body Design