#40 17 PIECE ER-40 SPRING COLLET CHUCK SET- NMTB TAPER 40 (3900-0540)
ER-40 #40 17 Piece Spring Collet Chuck Set
High precision collet chuck system suitable for all milling and drilling applications.
Unique self-releasing system.
Wide holding range.
Accuracy to .0005″.
Comes with a fitted case.
Gage length is 2.36″.
Drawbar end thread is 5/8″-11.