We have just taken delivery of a consignment of High Precision Er Collets at some amazing prices ! Theses are brand new boxed sets and available in ER11 , ER16 , ER20 , ER25 , ER32 & ER40.
Specifications
1.Runout:0. 005mm-0.015mm
2.Precision 0.005mm /0.008mm
3.Made of special material steel:65Mn
4.Hardness :HRC 44-48