{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Arbor for indexable drills Form ADB, BT 50, for shank ⌀ D1: 20mm
Article no.: 303129 20
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | with cooling lubricant entry, radially before holder | |
| Escape of cooling lubricant | with cooling lubricant exit, axially concentric | |
| Cooling lubricant | yes | |
| Holder type | ISO taper | |
| Interface coding | SKG05005715 | |
| Holder shape | MAS BT | |
| Holder version | dimensionless nominal size without cooling | |
| Holder size, no dimensions | 50 | |
| Type of mounting | hole (internal mounting) | |
| Shank length LS | 100 mm | |
| Interface on machine side | BT 50 | |
| With flat surface contact | yes | |
| Distance a | 0 mm | |
| External diameter, tool-end D | 40 mm | |
| Min. tool clamping length L3 min | 52 mm | |
| Concentricity | 3 µm | |
| Balance quality G at rotational speed | g 2.5 at 25,000 rpm | |
| Machining strategy | HPC | |
| With cooling channel bore | yes | |
| Interface | joint 1; joint 2 | |
| Type of product | arbor | |
| Overall length L | 191.8 mm | |
| Overall height H1 | 40 mm | |
| Overall width B1 | 40 mm | |
| Standard | ISO 7388-2; JIS B6339 | |
| Shape | ADB | |
| Through-coolant available | yes | |
| Content | 1 pcs. |
Identification & Classification
| Article number | 303129 20 | |
| EAN / GTIN | 4062406105198 | |
| Manufacturer number | 303129 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Description
Version:
- All shanks hard turned.
- Position of the grub screw for countersinking in the indexable drill offset by 0.4 mm.
- When tightening the increased contact face ⌀ is clamped against the front face of the arbor.
- Better support, allowing higher feed rates.
- High concentricity thanks to the mating surface being ground flat to 3µm.
Application:
For mounting all standard indexable drills to DIN 6595, Part 1.
Suitable for:
All indexable drills with parallel shank to DIN 6595, Part 1.