ER-Precision collet | stainless steel ER16 | 426ESP | < 5 µm | Ø 5,0 - 4,5Rustproof 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

- mobility allows measuring within machines and fixtures

Ring gauge accuracy according to DIN 2250Delivery:

Suitable for internal coolant

M6 - M12 = 10

Taper angle tolerance < AT 3 according to DIN 2080

With clamping screw and O-ring

clamping depth l2 = max

The tool inserts are made of oil-resistant

In NC machines (machines without automatic tool changers)

Advantage:

Excellent concentricity in the system (chuck + collet + clamping nut)