ER-Collet with cooling channel holes ER25 | 430EC | < 15µm | Ø 4Application: 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)

E3= 20 pieces

- with clamping adapter Ø 6 mm und Ø 8 mm

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance2

Measuring contact points are designed to allow measurements near to the bottom of blind holes

Individual serial numbers on each block

With clamping screw and O-ring

Internal measurement jaws are rounded to provide accurate measurement of internal diameters

integrated in the adapter

With clamping screw

Reading parts dull chromed

making the system suitable for internal cooling

Operating Temperature : -10C~55C