Black oxide finish for antirust
Type of taper shank: JIS B6339-AD
The ER collet chuck can be applied for end mills, drill bits, drill reamers, taps, and can clamp any cylindrical cutters.
With ER collet (DIN6499): ER11, ER16, ER20, ER25, ER32,ER40
The accuracy is stable under the condition of high speed machining