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Manufacturer number:
ER clamping nut for HiRunER collet chucks, for ER: 20
Article no.: 309617 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 | 22.6 mm | |
| External ⌀ D | 38 mm | |
| Thread | M28×1 | |
| maximum tightening torque | 80 Nm | |
| Type of product | Clamping nut |
Identification numbers & Classifications
| Article number | 309617 20 | |
| EAN / GTIN | 4062406545048 | |
| Manufacturer number | 309617 20 |
Description
Version:
Thread and taper ground in a single setup for highest concentricity.
Surface smoothly coated, ball-bearing mounted. Low coefficient of friction, high clamping forces.
Surface smoothly coated, ball-bearing mounted. Low coefficient of friction, high clamping forces.
Suitable for:
HiRunER precision ER collet chuck No. 300642; 300643; 300647; 302839; 302843; 302844; 305523; 305524; 305532.
Optional extras:
Note:
Collet chuck and clamping nut are balanced separately!
Downloads & documents
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|
| External ⌀ D | 38 mm | 34 mm | 34 mm |
| Overall length L | 22.6 mm | 19.5 mm | 19.5 mm |
| Thread | M28×1 | M25×1.5 | M25×1.5 |
| maximum tightening torque | 80 Nm | 110 Nm | 110 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 |