ER Collet Chuck with Mini Nut
BT-ER tool holder is a commonly used tool holder in machine tool processing. It is composed of a tool holder body and an ER collet. It is mainly used to clamp and fix straight-shank cutting tools such as drills and milling cutters machining.
1.Various specifications: ER11, ER16, ER20, ER25, ER32, ER40
2. Easy to operate
3. Wide applicability