1.High Quality
ST Tool Holders,high speed and high precision machining .High Precision ST Tool Holder ,balanced G2.5/30000RPM-50000RPM
2.ST
Tool Holders for mechanical spindle and cutting tool and other accessory tool connection. Is a simple, popular spindle shank connection standard, mainly T5T S15T S20T S25T ... Etc.. Mold industry, and high-speed engraving machine, used more.
3.Material: 20CrMnTi Accuracy: 0.005mm
Taper tolearance: AT3
Hardness: 58-60HRC