ER-Collet with cooling channel holes ER40 | 472EC | < 15µm | Ø 22Application: 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 clamping screws

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

For machines with rigid tapping

For mounting straight-shank tools in collets

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

Improves chip evacuation and decreases the risk for chip jamming

- Rustproof

For mounting straight-shank tools acc

In NC machines (machines without automatic tool changers)

For machining centres with synchronous spindle

LSCX = Clamping depth

Only nominal size d can be clamped