High Precision NT40 NT50 OZ Collet Chuck Tool Holder DIN6391

Best High Precision NT40-OZ25-63 Collet Chuck Adapter

Brand Name: Bright-tools

Precision: 0.005mm

Cooling: AD/ AD + B

Taper tolerance: < AT3

Manufactured from alloy steel with good core strength and long wear life.

Taper shank is case hardened to 58-62 HRC

Taper ground to AT3 or better accuracy standard for maximum contact with spindle

All critical surface are precision ground

Use for clamping tools with straight shank in collets of DIN6388

Dynamically balanced to 15,000RPM at G6.3 by Haimer balancing machine at all location for consistent balance, G2.5/25000 RPM can be provided as well.