ER-Collet with cooling channels ER20 | 428ECC | < 15µm | Ø 4Application: For mounting straight shank tools in collet chucks DIN 6499. Note: Only nominal size d can be clamped, with cooling channels. In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet. (applicable up to 21 bar)

With built-in tightening bolt

For safe clamping of taps in end mill holders according to DIN 1835 B

For internal machining with boring bars

SK 30 without coolant exit bores on the end faceDelivery:

- Honed collet boring

Collection of collets

critical factors for successful deep face grooving operations

In machining centres (machines with automatic tool changers)

ER-system with spray nozzles

Application:

Collets sealed with seal for IC DIN 6499 B (ISO 15488 B) ER-system

- Especially suitable fore wire EDM