ER Collet Chucks
Model ID：ER Collets SeriesThe ER collet series is made from SUJ2 high-carbon bearing steel, offering exceptional hardness, toughness, and wear resistance, extending the collet's lifespan.
Models include ER8, ER11, ER16, ER20, ER25, ER32, and ER40, each with a different bore diameter and clamping range to accommodate tools with varying shank diameters.
Inner bore runout accuracy: AA grade 0.008mm & AAA grade 0.005mm.
