Item #: 8-100-4055

TMX offers a wide selection of ER25 collets
compatible with this chuck in inch and metric sizes

TMX CAT40 Collet Holder ER25 Collet x 4" Gage Length, Balanced to 15000 RPM at G6.3 DIN AD/B Coolant Feeding Feature

Item #: 8-300-4025

NMTB40 ER25 Collet Chuck, 2.5" ER25 Collet Chuck NMTB-40 250in Round Nut, EQC, TMX by Toolmex MADE IN EUROPE

Item #: 8-400-2503

HSK63A Collet Holder ER25 x 3.15" GL TMX HSK63A Collet Holder ER25 x 3.15" Gage Length, Balanced to 25,000 RPM/G2.5