ER-Precision collet | stainless steel ER25 | 430ESP | < 5 µm | Ø 14,5 - 14Rustproof 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

- mobility allows measuring within machines and fixtures

For machines with rigid tapping

For internal machining with boring bars

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

Effective from low to high coolant pressures

- Honed collet boring

Suitable for internal coolant

- According to DIN 69895 for HSK-A and HSK-E hollow taper shanks

For mounting straight-shank tools in collet chucks DIN 6391

Longer durability of inserts

The chucking diameter is configured for a tool tolerance of h6

For mounting drill chucks