ER-Collet with cooling channels ER40 | 472ECC | < 15µm | Ø 26Application: 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)

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

Suitable for internal coolant

For sealing the spindle of the turret

Taper angle tolerance < AT 3 according to DIN 2080

For mounting tools with straight shanks

With adjustable spray nozzle and shim

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance4

For mounting straight-shank tools and inclined flat according to DIN 1835 form E (Whistle Notch)

For safe clamping of taps

A possible increase of axial force during the tapping process is reduced to a minimum

For the chucking of quick change adaptors for taps

Only nominal size d can be clamped