ER-Precision collet | stainless steel ER25 | 430ESP | < 5 µm | Ø 11,0 - 10,5Rustproof 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

Standard type without safety clutch

Suitable for tool holders with polygon shank (PSC/PSK) ISO 26623-1

For horizontal clamping of flat workpieces

cross head retaining screw and cylinder head retaining screw for cutters with central coolant

with IC DIN 6499 B (ISO 15488 B)ER-system

and vertical

without cooling lubricant supply

load capacity 200kg

• runout accuracy: = 0

Precision coolant supply: Improves chip evacuation and decreases the risk for chip jamming

For mounting drill chucks

For cleaning internal tapers on machine spindles