{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
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 & Classification
| Article number | 309617 20 | |
| EAN / GTIN | 4062406545048 | |
| Manufacturer number | 309617 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com |
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!