ER - Collet Sets 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. Features & Benefits Manufactured from hardened and tempered high alloy steel All supplied in hard wearing bench cases Conform to DIN 6499 standards Well maintained ER system components result in increased tool life, higher feed rates, better work piece accuracy and enhanced work piece finish Variety of sets available to suit application Typical Applications Drilling Milling Tapping Reaming Boring Notes Sets available: ER11: Number of collets: 10 - Range 1.0 - 7.0mm ER16: Number of collets: 9 - Range 1.0 - 10.0mm ER20: Number of collets: 11 - Range 2.0 - 13.0mm ER25: Number of collets: 15 - Range 1.0 - 16.0mm ER32: Number of collets: 18 - Range 2.0 - 20.0mm ER40: Number of collets: 23 - Range 3.0 - 26.0mm