ER-Precision collet | stainless steel ER20 | 428ESP | < 5 µm | Ø 12,5 - 12Rustproof 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 built-in tightening bolt

Retaining screw for mounting of face mills arbors

B4 - 25 x 16 x 30

3 / L2=63 HA polished Split Point - Valuetool

ADJRGA = Length adjustment range

For mounting straight-shank tools in collet chucks DIN 6499

Collets sealed with seal for IC

For mounting tools with straight shanks

For face machining

For machining centres with synchronous spindle

For the chucking of quick change adaptors for taps

All functional surfaces fine machined