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Collet for taps M3.5 | ER25 - 4.0 x 3.0 mm - DARMET
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Gross price:
$21.35
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Net price:
$17.36
excl. 23% TAX, excl. shipping costs
Regular price:
The lowest price during 30 days prior to the reduction:
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Product code:
DM_710_ER25_04,0X3,0
Description
Information:
- ER25 collet designed for M3.5 machine taps.
- In order to correctly Tap operation, you should use compensation holder ER25.
- There is also a version of sealed collets collets for work with coolant inside tools.
Technical specifications:
| Parameter | Value |
|---|---|
| M | 3.5 mm |
| d | 4.0 mm |
| SW | 3.0 mm |
| D | 26 mm |
| L | 34 mm |
Installation of sleeves in nuts:
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Installation of the collet in the holder nut |
Collet correctly installed | Disassembly of the collet |
ER standards:
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| ER | d1 [mm] |
Clamping range [mm] |
d2 [mm] |
d3 [mm] |
aAT3 | l1 [mm] |
l13 max [mm] |
|---|---|---|---|---|---|---|---|
| ER11 | 1÷7 | 0.5 | 11 | 11.5 | 8° | 18.0 | 6.6 |
| ER16 | 1÷10 | 0.5÷1 | 16 | 17.0 | 8° | 27.5 | 10.6 |
| ER20 | 1÷13 | 0.5÷1 | 20 | 21.0 | 8° | 31.5 | 11.5 |
| ER25 | 1÷16 | 0.5÷1 | 25 | 26.0 | 8° | 34.0 | 12 |
| ER32 | 1÷20 | 0.5÷1 | 32 | 33.0 | 8° | 40.0 | 13 |
| ER40 | 1÷30 | 1 | 40 | 41.0 | 8° | 46.0 | 15 |
To correctly mount the ER collet in the holder:
- Insert the collet at an angle to the nut
- Hook the collet's channel onto the eccentric or cylindrical protrusion of the nut (Fig. A)
- Press the collet into the nut (Fig. B)
- The nut with the sleeve pressed in, screw it to the holder so that the tool being processed can be clamped.
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