Made after fine workmanship, inner hole grinding, quenching and hardening, strong and durable
Come with long service life, heat treatment with vacuum quenching furnace, improves the hardness of the tool holder
Tool handle has a coating appearance, rust‑proof, wear‑resistant, and protect the spindle from wear
Long‑term thermal treatment, can effectively remove the residual internal stress during grinding
Tool holder is used for CNC machine tool processing, speed ≥12000RPM, very practical