ER-Precision collet | stainless steel ER32 | 470ESP | < 5 µm | Ø 7,0 - 6,5Rustproof 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

With ball bearing clamping nut All holders are made of forged steel

For the manufacturing of special tools

4021 x 20Cr13

Clamping range 0

critical factors for successful deep face grooving operations

ADJRGA = Length adjustment range

with cooling channels

Tensile strength in the core of min

Taper angle tolerance < AT 3 according to DIN 2080

With balanced clamping nut All holders are made of forged steel

5 with h4-tolerance and Ø 6 – Ø 32 with h6-tolerance4

For mounting straight-shank tools