... , Solid carbide end 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 ... our best to offer best price , quality and service. ER Collet