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ER Collet Nut (DM-072)

Properties and application:

  • Made of high-quality steel
  • Designed for collet chucks used with ER collets DIN 6499
  • Before mounting in a chuck, the collet has to be mounted in the nut

Specifications:

darmet dm 072 nak T1 01 ER Collet Nut (DM-072)
ER Collet Nut (DM-072)
ModelTypeD
[mm]
L
[mm]
MWeight
[kg]
DM 072 ER8-M M 12 12 M10 x 0,75 0,005
DM 072 ER11-M M 16 12 M13 x 0,75 0,01
DM 072 ER16-M M 22 18 M19 x 1 0,05
DM 072 ER20-M M 28 19 M24 x 1 0,05
DM 072 ER25-M M 35 20 M30 x 1 0,08
DM 072 ER11-T1 T1 19 11,3 M14 x 0,75 0,005
DM 072 ER16-T1 T1 28 17,5 M22 x 1,5 0,01
DM 072 ER20-T1 T1 34 19 M25 x 1,5 0,05
DM 072 ER25-T2 T2 42 20 M32 x 1,5 0,14
DM 072 ER32-T2 T2 50 22,5 M40 x 1,5 0,20
DM 072 ER40-T2 T2 63 25,5 M50 x 1,5 0,30
DM 072 ER50-T2 T2 78 35,5 M64 x 2 0,50

Mounting the collet in the nut:

darmet nak ER moc rys

Mounting the collet in the nut Properly mounted collet Removing the collet

For proper mounting of ER collet follow these steps:

  • Put the collet into the nut at slight angle
  • Hook the groove of the collet on eccentric or cylindrical edge of the collet (fig. A)
  • Jam the collet into the nut (fig. B)
  • Screw the nut with collet on the toolholder, so that mounting of the machined tool is possible

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