ER-Collet with cooling channels ER40 | 472ECC | < 15µm | Ø 19Application: 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

Mainly for external machining

For the manufacturing of special tools

For mounting straight-shank tools in collet chucks DIN 6499

Without wrench

With balanced clamping nut All holders are made of forged steel

driving ring and feather key

chip breaking

Precision coolant supply: Improves chip evacuation and decreases the risk for chip jamming

For mounting tools with Morse taper shank and tang according to DIN 228-1 form B

20 mm only with reduction sleeve)

With retaining screw