ER-Precision collet | stainless steel ER20 | 428ESP | < 5 µm | Ø 9,0 - 8,5Rustproof Stainless steel 1. 4021 x 20Cr13 HRC 43 47 Longer lived than standard collets Higher repeat accuracy Maximum concentricity <0,005mm Honed collet boring Especially suitable fore wire EDM

Hardening depth 0

Surface hardened HRC 58~60

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

With adjustable spray nozzles

For mounting milling cutters with transverse or longitudinal groove

For the manufacturing of special tools

Collets sealed with seal for IC

- Especially suitable fore wire EDM

chip breaking

HSS-Co5 Twist drill DIN338 d=6

Only nominal size d can be clamped

All functional surfaces fine machined