Product Overview ER11 MT2 COLLET CHUCK ER11 MT2 MK2 Collet Chuck With M10 Drawbar Thread Item(s) 1 Pc. ER11 MT2 Collet Chuck With M10 Drawbar Thread Specification DIN6499B 0.015MM (0.0006") Run-Out Tolerance High Grade 1065 Carbon Steel Hardened & Precision Ground Product Photos Additional Technical Information