ER-Collet with cooling channels ER40 | 472ECC | < 15µm | Ø 17Application: 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)

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance1

B4 - 25 x 16 x 30

With ball bearing clamping nut All holders are made of forged steel

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

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance3

Clamping range 0

ADJRGA = Length adjustment range

To use for high speed cutting and high precision milling

For mounting milling cutters with transversal groove

LSCX = Clamping depth

HSS-Co5 Twist drill DIN338 d=6

• runout accuracy: = 0