ER20 ULTRA Precision RTX / Collet Inches202-501
Centaur Precison Tools RTX Collets are a new generation replacement for the ER Collet system. RTX collets are FOUR times more accurate than conventional ER collets. They have a true single-angle design for powerful tool-holding strength. Maximum TIR: 0.00019. Features include: improved feed rates, improved workpiece finish and accuracy.