Product Name: High Precision C Strong Tool Holder
Product Material: 20CrMnTi
Taper Shank: Tolerance Grade < AT3
Main Body Accuracy: ≤0.008mm
Heat Treatment Hardness: HRC58-60

Vacuum heat treatment, uniform quenching for high hardness and good seismic resistance. The taper of the tool holder is ≤ AT3, tested using standard gauges from Germany’s Diebold, ensuring accurate and stable precision positioning.