ER-Collet with cooling channels ER40 | 472ECC | < 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)

Surface roughness Ra < 0

With ball bearing clamping nut All holders are made of forged steel

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance2

- Honed collet boring

Collets sealed for high pressure cooling 120 bar with IC DIN 6499 B (ISO 15488 B) ER-system

ISO 7388-3 - Retention knobs

Collets sealed with seal for IC

With balanced clamping nut

with IC DIN 6499 B (ISO 15488 B)ER-system

For mounting straight-shank tools

For the chucking of quick change adaptors for taps

With retaining screw