The NAKANISHI EHG-400 is a high-precision attachment designed for fine grinding, polishing, and finishing work.
It supports rotational speeds up to 40,000 min⁻¹ and accepts φ6 mm shank tools, making it suitable for metalworking, resin processing, woodworking, jewelry production, and precision component finishing.

With its lightweight and easy-to-handle design, the EHG-400 reduces fatigue during extended operation.
It delivers exceptional rotational accuracy and stability—hallmarks of NAKANISHI products—helping users achieve superior finishing quality in delicate tasks.

Specifications

• Type: Attachment

• Max Rotational Speed: 40,000 min⁻¹ or less

• Weight: 110 g

• Standard Collet: φ6.0 mm (CHG-6.0)

• Included Accessories:

  • Spanner (10×10) ×1

  • Bar Wrench (K-212) ×1

• Tool Shank Compatibility: φ6 mm

Features

• Compatible with φ6 mm shank tools

• Secure tool tightening with spanner-locking mechanism

• High-precision bearings ensure stable, accurate rotation

• Lightweight design for easy handling and precise finishing work