• 0,5mm (.020") range of sealing per disk.
  • High-pressure coolant up to 150 bar (2,000 psi).
  • Accommodates both metric- and inch-sized cutting tool shanks.
  • Standard-sized, replaceable O-rings.

(.63) Ø 16,0

ER20 Locknut Coolant Seal Disk

order numbercatalog numbercollet seriesrange metricrange inchrange fraction
1882862CDER20030MER202,5–3,0.0984–.1181—
2046541CDER20035MER203,0–3,5.1181–.13871/8
2046542CDER20040MER203,5–4,0.1378–.15755/32
1785844CDER20045MER204,0–4,5.1575–.1772—
2046613CDER20050MER204,5–5,0.1772–.19693/16
2046614CDER20055MER205,0–5,5.1969–.21657/32
1600448CDER20060MER205,5–6,0.2165–.2362—
2046615CDER20065MER206,0–6,5.2362 -.25591/4
1821042CDER20070MER206,5–7,0.2559–.2756—
2046616CDER20075MER207,0–7,5.2756–.29539/32
1568338CDER20080MER207,5–8,0.3150–.33475/16
2046617CDER20085MER208,0–8,5.3150–.3347—
1567466CDER20090MER208,5–9,0.3347–.354311/32
2046618CDER20095MER209,0–9,5.3543–.37403/8
1747032CDER20100MER209,5–10,0.3740–.3937—
2046619CDER20105MER2010,0–10,5.3937–.413413/32
1923780CDER20110MER2010,5–11,0.4314–.4330—
2046620CDER20115MER2011,0–11,5.4330–.45287/16
1883015CDER20120MER2011,5–12,0.4528–.472415/32
2046621CDER20125MER2012,0–12,5.4724–.4921—
2046622CDER20130MER2012,5–13,0.4921–.51181/2
  • An economical way to purchase a group of coolant disks.

ER20 Locknut Coolant Seal Disk Set

collet dimensional incremental

order numbercatalog numberseriesquantityrangedivision
1720848CDER20000MER20203,5mm–13mm.5mm

NOTE: ER coolant disk sets come complete with wooden protective tray.