PRO MT2 ER-25 COLLET CHUCK-DRAWBAR END (3901-5073)
Pro MT2 ER-25 Collect Chuck with Drawbar End ~ Made of 20CrMnTi alloy steel ~ Electrolysis nickel coating ~ Premium hardened & all ground body for extended tool life. ~ Thread of Drawbar End: R8- 7/16" -20 ~ Maximum RPM is 8,000 ~ T.I.R. <= .0002" ~ Superior Finish