{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Shrink-fit chuck extension 4.5° with length adjustment screw, L = 160 mm, ⌀ d / ⌀ D1: 25/12mm
Article no.: 452539
Catalog no.: 302412
Article code:
Product details
Technical Data
| Through-coolant | yes | |
| Entry of cooling lubricant | with cooling lubricant entry, axially concentric | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Schrumpffutter-Verlängerung 4,5° mit Längeneinstellschraube | |
| Interface position | on the machine; on the workpiece | |
| Holder type | plain shank; plain shank | |
| Holder version | metric with cooling lubricant holes; metric with cooling lubricant holes | |
| Holder size, metric | 25 mm; 12 mm | |
| Type of mounting | spigot; hole (internal mounting) | |
| Shank diameter DS | 25 mm | |
| Interface on machine side | shank diameter = 25 mm | |
| Hole diameter on workpiece side D1 | 12 mm | |
| External diameter, on the tool side D | 20 mm | |
| Taper angle | 4.5 degrees | |
| Max. speed | 8’000 min-1 | |
| Format | short | |
| Including length adjustment screw | yes | |
| With cooling channel bore | yes | |
| Interface | joint 1; joint 2 | |
| Type of product | toolholder extension | |
| Overall length L | 160 mm | |
| Through-coolant available | yes | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 452539 | |
| Catalog number | 302412 | |
| EAN / GTIN | 4045197435989 | |
| Manufacturer number | 302412 25/12 | |
| Article class | 31A | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
Bored through for internal coolant supply (IC).
With length adjustment screw, short.
With length adjustment screw, short.
Application:
For use in shrink-fit chucks, hydraulic chucks, and ER collet chucks.
Note:
Maximum permissible speed 8,000 rpm.