| 摘要 |
While an adapter exchange type tool holder according to the present invention comprises a spindle rotated with transmission of external power from inside of a tool holder housing , an adapter combined with an end of the spindle to grasp tools, and an adapter fastening member, the spindle is detachably combined with an adapter accommodation groove formed at one end of the spindle, and the fastening member is characterized by being inserted for installation inside the spindle by piercing through a center axis of the spindle and combined with a threaded groove formed in the center of a rear side of the adapter with formation of a draw bolt at the front end to pull the adapter according to rotation of a fastening member for fixing by adhesion to the spindle. |
