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Manufacturer number:
ER clamping nut High Speed, for ER: 20
Article no.: 309610 20
Article code:
- Standard: DIN 6499 D
- Balance quality G at rotational speed: G 2.5 at 25,000 rpm
Product details
Technical Data
| for ER | 20 mm | |
| Standard | DIN 6499 D | |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | |
| Overall length L | 19.5 mm | |
| External ⌀ D | 34 mm | |
| Thread | M25×1.5 | |
| maximum tightening torque | 110 Nm | |
| Width across flats AF | 30 mm | |
| Type of product | Clamping nut |
Identification numbers & Classifications
| Article number | 309610 20 | |
| EAN / GTIN | 4062406787318 | |
| Manufacturer number | 309610 20 |
Description
Version:
Thread and taper ground in a single setup for highest concentricity.
Nut coated for: lower friction and increased clamping force coupled with high wear resistance and corrosion resistance.
Nut coated for: lower friction and increased clamping force coupled with high wear resistance and corrosion resistance.
Suitable for:
All standard ER collet chucks.
Optional extras:
ER clamping wrench, No. 309680 − 309740.
Single open ended spanner (for size 16), No. 613300 size 25.
Single open ended spanner (for size 16), No. 613300 size 25.
Note:
Collet chuck and clamping nut are balanced separately!
Downloads & documents
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|
| External ⌀ D | 34 mm | 34 mm | 38 mm |
| for ER | 20 mm | 20 mm | 20 mm |
| Thread | M25×1.5 | M25×1.5 | M28×1 |
| maximum tightening torque | 110 Nm | 110 Nm | 80 Nm |
| Standard | DIN 6499 D | DIN 6499 D | DIN 6499 D |
| Balance quality G at rotational speed | G 2.5 at 25,000 rpm | G 6.3 at 15,000 rpm | G 2.5 at 25,000 rpm |
| Type of product | Clamping nut | Clamping nut | Clamping nut |