ER-Precision collet | stainless steel ER32 | 470ESP | < 5 µm | Ø 16,0 - 15,5Rustproof 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

For sealing tools with internal cooling

Surface roughness Ra < 0

Surface hardened HRC 58~60

clamping depth = 41

For parts with delicate clamping surfaces

154 x 54 x 17

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

Capacity = 1 - 10 (ER 16)

Minimum internal diameter measurement capability of 20mm

For holding tapers according to DIN 69871

U/min: 7000

4 und 5 mm = h4