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ER mini collet holder cylindrical, for ER collet size: 11
Article no.: 385074
Catalog no.: 300685
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 | ER-Mini-Spannzangenhalter | |
| Interface position | on the machine; on the workpiece | |
| Holder type | plain shank; collet taper | |
| Holder shape | collet taper adjustment angle 8° | |
| Holder version | metric with cooling lubricant holes | |
| Holder size, metric | 16 mm | |
| Type of mounting | spigot | |
| Shank diameter DS | 16 mm | |
| Length of shank LS | 150 mm | |
| Shank type | HB | |
| Interface on machine side | shank diameter = 16 mm | |
| Min. clamping diameter D1 | 0.5 mm | |
| Max. clamping diameter D1 | 7 mm | |
| For collet type | ER collet | |
| Collet size | 11 | |
| External diameter, on the tool side D | 16 mm | |
| Body length, tool-end L1 | 19 mm | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HSC | |
| With cooling channel bore | yes | |
| Interface | joint 1; joint 2 | |
| Type of product | collet chucks | |
| Overall length L | 169 mm | |
| Standard | DIN 1835 B; DIN 6499 | |
| Through-coolant available | yes | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 385074 | |
| Catalog number | 300685 | |
| EAN / GTIN | 4045197291806 | |
| Manufacturer number | 300685 11 | |
| Article class | 31A | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
Cylindrical holder with Weldon shank and ER nut.
Through hole for internal cooling provided.
Through hole for internal cooling provided.
Application:
For extending the reach of side lock arbors or collet chucks.
Optional extras:
ER collets No. 308878 − 309434, Spare ER nuts No. 309580; 309650.
Clamping wrenches No. 309740 and No. 309745.
Clamping wrenches No. 309740 and No. 309745.
Note:
Not suitable for shrink processes.