ER-Collet with seal for IC ER20 | 428EH | < 15µm | Ø 5Application: Collets sealed for high pressure cooling 120 bar with IC DIN 6499 B (ISO 15488 B) ER system Note: Only nominal size d can be clamped (applicable up to 120 bar). In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet.

Flute geometry with special design

Surface hardened HRC 58~60

For sealing tools with internal cooling in collet chucks

Ring gauge accuracy according to DIN 2250Delivery:

Completely made of steel

clamping depth 2 mm

or fi xation on T-groove tables

20mm for over 500mm/20" range

is prevented from attaching itself by vacuum

For mounting straight-shank tools in 2 µm-collets

With ball bearing clamping nut

lockable in different positions