ER-Precision collet | stainless steel ER11 | 4008ESP | < 5 µm | Ø 4,5 - 4,0Rustproof 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

For sealing tools with internal cooling

For sealing tools with internal cooling in collet chucks

For retaining screw DIN 6367

For mounting straight-shank tools in collets

- HRC 43-47

800 N/mm² after DIN

DIN 1835 form A+B+E and DIN 6535 form HA+HB+HE (larger than dia

- Rustproof

All holders are made of forged steel

For face machining

Application:

With balanced clamping nut