Indexa® ER collets are the most versatile tool holding system for any operation that utilises a round shank cutting tool in a machining centre and is suitable for a wide range of applications._x000D_ _x000D_ _x000D_ Features and Benefits_x000D_ Manufactured from hardened and tempered high alloy steel _x000D_ All supplied in hard wearing bench cases_x000D_ Well maintained ER system components result in increased tool life, higher feed rates, better work piece accuracy and enhanced work piece finish_x000D_ Variety of sets available to suit application _x000D_ _x000D_ _x000D_ Typical Applications_x000D_ Drilling_x000D_ Milling_x000D_ Tapping_x000D_ Reaming_x000D_ Boring_x000D_ _x000D_ _x000D_ Standards_x000D_ Conforms to DIN 6499_x000D_ _x000D_ _x000D_ Notes_x000D_ Sets available:_x000D_ ER11: Number of collets: 10 - Range 1.0 - 7.0mm_x000D_ ER16: Number of collets: 9 - Range 1.0 - 10.0mm _x000D_ ER20: Number of collets: 11 - Range 2.0 - 13.0mm _x000D_ ER25: Number of collets: 15 - Range 1.0 - 16.0mm_x000D_ ER32: Number of collets: 18 - Range 2.0 - 20.0mm_x000D_ ER40: Number of collets: 23 - Range 3.0 - 26.0mm