ER-Collet with cooling channel holes ER40 | 472EC | < 15µm | Ø 15Application: 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 drivers

In order to achieve an optimum sealing the tool must be clamped on the complete length of the ground drill of the collet

Collet chucks and wrenches to be ordered separately

length adjustment range

Collets sealed with seal for IC

- Stainless steel 1

Taper angle tolerance < AT 3 according to DIN 2080

clamping depth l2 = max

With clamping screw

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

High flexibility: Large holding capacity up to –1 mm

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