Collet ER 25 426E DIN 6499B. High precision quality, runout < 5µ
Clamping range is 1 mm downwards (f.e. 4 mm collet can clamp tools with diameter between 3 mm and 4 mm).
Diameter 2-13 mm available. (1 mm steps)
Matching to our spindles HFPAC-8022, HFS-12545-24, HFP-M-12040-18