ER Coolant Hex Locknuts Standard Round Locknuts

  • Interchangeable with standard locknuts.
  • Must be ordered separately.
  • Used in conjunction with ER coolant-sealing disks for high-pressure coolant applications up to 150 bar (2,000 psi). Must be ordered separately; see page J13.

ER Locknut Hex Coolant

order numbercatalog numberD1 collet series mm1 L in mmLNC in mm inLF mm in G3locknut wrenchwrench sizecounterbore collet torque (Nm)straight collet torque (Nm)counterbore collet torque (ft. lbs.)straight collet torque (ft. lbs.)
1854738LNHABER16MER16 28,01.10 22,5 .89 5,0 .2015,5 .61 M22 X 1.5OEW25M25mm40563042
1859410LNHABER20MER20 34,01.34 24,0 .94 5,0 .2016,5 .65 M25 X 1.5OEW30M30mm32802459

NOTE: Locknut wrench must be ordered separately.

  • Standard and replaceable locknuts are usually supplied as the standard option with the original collet chuck.

ER Locknut Round

order numbercatalog numbercollet seriesmm Din 11mm Linmm Lin FG3locknut wrenchNmft. lbs.
3063113LNSER25MER25421.6520.7912.47M32 X 1.5ER25WM10477
3063114LNSER32MER32501.9723.8913.51M40 X 1.5ER32WM136100
3063115LNSER40MER40632.48261.0015.59M50 X 1.5ER40WM176130

NOTE: Locknut wrench must be ordered separately.