ER-Collet with cooling channels ER32 | 470ECC | < 15µm | Ø 11Application: 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 hardened HRC 58~60

Mainly for external machining

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

SK 30 without coolant exit bores on the end faceDelivery:

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

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

For mounting screw-in cutters with thread

Taper angle tolerance < AT 3 according to DIN 2080

For face machining

With balanced clamping nut

- Higher repeat-accuracy

20 mm only with reduction sleeve)