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Collet for taps M7 | ER25 - 7.0 x 5.5 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_07,0X5,5
Description
Information:
- ER25 collet designed for M7 machine taps.
- For the proper functioning of the tap it is necessary to use compensating collet ER25.
- There is also a version sealed collets for work with using coolant inside the tools.
Technical specifications:
| Parameter | Value |
|---|---|
| M | M7 |
| d | 7.0 mm |
| SW | 5.5 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 into the nut
- Hook the collet's channel into the eccentric or cylindrical protrusion of the nut (Fig. A)
- Press the collet into the nut (Fig. B)
- Screw the nut with the pressed-in sleeve onto the holder so that the tool being processed can be clamped.
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