ER-Precision collet | stainless steel ER32 | 470ESP | < 5 µm | Ø 8,0 - 7,5Rustproof 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 highest axial and radial loading

Surface hardened HRC 58~60

Surface roughness Ra < 0

For machines with rigid tapping

800 N/mm² after DIN

- Rustproof

Improves chip evacuation and decreases the risk for chip jamming

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

Collets sealed with seal for IC

For face machining

High flexibility: Large holding capacity up to –1 mm

All functional surfaces fine machined