Sealing disc | ER 20 DCONWS = 3,5Application: For sealing tools with internal cooling. Note: Sealing capacity up to 80 bar Clamping range 0. 5 mm (+0. 1 0. 4)

For internal machining with boring bars

For sealing tools with internal cooling in collet chucks

- Rustproof

For the manufacturing of special tools

Effective from low to high coolant pressures

DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia

Improves chip evacuation and decreases the risk for chip jamming

For mounting straight-shank tools in collet chucks DIN 6499

For mounting tools with straight shanks

For mounting straight-shank tools acc

- Especially suitable fore wire EDM

- Maximum concentricity <0