Collet ER20 - 4 mm - APX (7618)
  • Collet ER20 - 4 mm - APX (7618)

Collet ER20 - 4 mm - APX (7618)

PLN39.85 tax incl.

32.4 tax excl.

Clamping range: 3,1 - 4 mm

DIN 6499B
Quantity

in stock

Properties and application:

  • ER collet for tools with cylindrical shank

Specifications:

ParameterValueUnit

Tulejka zaciskowa ER11 - 1MM

d 4 mm
D 21 mm
L 31,5 mm

 

Mounting the collet in the nut:

Mounting the collet in the nut Properly mounted colled Dismounting of the collet

 

ER Standards:

Collet

ERd1
[mm]
Clamping range
[mm]
d2
[mm]
d3
[mm]
aAT3l1
[mm]
l13 max
[mm]
ER11 1÷7 0,5 11 11,5 18,0 6,6
ER16 1÷10 0,5÷1 16 17,0 27,5 10,6
ER20 1÷13 0,5÷1 20 21,0 31,5 11,5
ER25 1÷16 0,5÷1 25 26,0 34,0 12
ER32 1÷20 0,5÷1 32 33,0 40,0 13
ER40 1÷30 1 40 41,0 46,0 15

 

For proper mounting of ER collet follow these steps:

 

  • Put the collet into the nut at a slight angle
  • Hook the groove of the collet on ecentric 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

Maximum mounting diameters in relation to the ER collet type:

APX_ER20.D04

Data sheet

Collet opening
round
Collet size
4 mm
Collet series
ER20

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