ER collets
1, the material: 65Mn
2, the accuracy AA grade within 0.01mm, A grade within 0.015mm
3, the hardness: 42-48HRC
4, Model: ER8, ER11, ER16, ER20,ER25, ER32, ER40
5, The usage: Used for drilling, boring, milling, tapping, engraving operation.
Adapted for 6499B
6. The surface: precision grinding and mirror surface.
ER collets






