ER-40 R8 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″. ~ Drawbar end thread is 7/16″-20. ~ Comes with a fitted case. 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.
