Version:
Through hardened and ground. Polished.
 Note:
Collets ER16, ER25 and ER32 without a seal also available in inch sizes via the eShop.The collet clamping ⌀ range is always up to 1 mm less than nominal, e.g. ⌀ 10 − 9 mm, except for ⌀ 1, 1...