Sealing disc | ER 40 DCONWS = 21,5Application: For sealing tools with internal cooling. Note: Sealing capacity up to 80 bar Clamping range 0. 5 mm (+0. 1 ? 0. 4)

With clamping screws

For sealing tools with internal cooling

For sealing tools with internal cooling in collet chucks

With wrench

In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

with cooling channels

For mounting straight-shank tools in collet chucks DIN 6499

Taper angle tolerance < AT 3 according to DIN 2080

- Longer-lived than standard collets

For machining centres with synchronous spindle

For safe clamping of taps

20 mm only with reduction sleeve)