ER-Collet with cooling channel holes ER25 | 430EC | < 15µm | Ø 13Application: 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)

clamping depth = 36

Hardening depth 0

The collet clamping Ø range is always up to 0

Coolant nozzles lockable for tools with internal coolant

- Rustproof

Clamping range 0

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance3

5 mm less than nominal

so the system is suitable for through-coolant feed

For mounting straight-shank tools in collet chucks DIN 6391

Hydraulic or manual clamping

edge radius 1 mm