SC Precision Milling Chuck
Material: Alloyed steel
Hardness: HRC56-58
Application: for mounting straight shank tools in Straight
Features:
1, Taper shank is case hardened to 58-62 HRC
2, Taper ground to AT3 or better accuracy standard for maximum contact with spindle
3, All critical surface are precision ground
4, Dynamically balanced to 15,000RPM at G6.3 by Haimer balancing machine at all location for consistent balance