• The ER collet chuck portfolio, featuring all industry standard spindle connections, supports high-performance round tool applications • All ER collet chucks are RFID ready for standard ISO data carrier and are balanced to G2.5 at 20,000 RPM • Solid ER Collets (sizes 25, 32 and 40) enable the use of screw-on milling cutters with any standard rotating collet chuck • Through coolant ER collets offer industry standard grip and runout for process security and improved tool life Explore ER Locknuts • All collet styles work with standard adapters, reducing the need for optional tooling inventory kennametal.com E16