ER-Collet with cooling channels ER16 | 426ECC | < 15µm | Ø 7Application: 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)

For mounting straight-shank tools with lateral flat according to DIN 1835 form B (Weldon)

Surface hardened HRC 58~60

- HRC 43-47

Only nominal size d can be clamped (applicable up to 120 bar)

4021 x 20Cr13

Improves chip evacuation and decreases the risk for chip jamming

critical factors for successful deep face grooving operations

ADJRGA = Length adjustment range

Collets sealed with seal for IC DIN 6499 B (ISO 15488 B) ER-system

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

For mounting milling cutters with transversal groove

With clamping screw and axial adjustment bolt