ER-Collet with cooling channel holes ER40 | 472EC | < 15µm | Ø 9Application: 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)

800 N/mm² after DIN

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

Collection of collets

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

For the storage of collet chuck

- Stainless steel 1

For mounting tools with straight shanks

With balanced clamping nut All holders are made of forged steel

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

For machining centres with synchronous spindle

Only nominal size d can be clamped

With retaining screw