ER-Collet with cooling channel holes ER20 | 428EC | < 15µm | Ø 5Application: 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)

For safe clamping of taps in end mill holders according to DIN 1835 B

For retaining screw DIN 6367

With drivers

With adjustable spray nozzles

For the storage of collet chuck

In machining centres (machines with automatic tool changers)

ER-system with spray nozzles

Without wrench

For sealing the spindle of the turret

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

LSCX = Clamping depth

For tools with taper shanks DIN 69871 and JIS B 6339 (MAS-BT)