Collet /Milling Chuck ER-11/ER-16/ER-20/ER-25/ER-32/ER-40 from Jinjie China
1) Made of high quanlity spring steel
2) Powerful clamping ability with high precision and stability
3) Used for drilling, boring, milling, tapping, and so on.
4) Adapted for DIN6499B
Matarial: 65MN
Accuracy: within 0.015
ER Collet, Milling Chuck -- Jinjie Machinery