... mill 2, CNC tool holder 3, Collet (C20,C32,C42,OZ25,OZ32,ER11,ER16,ER20,ER25,ER32,ER40) ER ColletWe can supply ... all kinds of ER Collet, CNC Tool holder, End ... Mill, Reamer, etc.Here is the specifications of the ER Collet SpecificationC20-(2-16)C32-(3-25)C42-(6-30)OZ25 ... OZ32-(6-32)ER11(0.5-7)ER16(1-10)ER20(1-12)ER25(2-16)ER32(3-20)ER40(3 ...