EDVT Square handle conversion sleeve
● Product description:
1.The outer diameter of the extension rod and other parts are precision ground to eliminate the unbalance margin, which is good for cutting stability.
2.Universal performance, can hold various sizes of shank diameter Drills, center drills, taps, turning tools, etc., suitable for all kinds of CNC lathes, automatic lathes, hexagonal drilling machines, etc.
● Features:
1.Material: 20CrMnTi
2.Hardness: 55~58HRC
3.T.I.R: ≤0.005mm
4. Vacuum hardening to improve the hardness and service life of the tool holder