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Manufacturer number:
Diabolo solid carbide HPC drill, plain shank DIN 6535 HA, TiAlN, ⌀ DC h7: 7,8mm
Article no.: 122651 7,8
Article code:
- Tool material: Solid carbide
- Standard: DIN 6537
- Version: 6×D
- Type: H
- Tolerance nominal ⌀: h7
Product details
Technical Data
| Series | Diabolo | |
| Nominal ⌀ DC | 7.8 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | DIN 6537 | |
| Version | 6×D | |
| Type | H | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 140 degrees | |
| recommended maximum drilling depth L2 | 41.3 mm | |
| Shank | DIN 6535 HA to h6 | |
| Through-coolant | yes, with 25 bar | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 53 mm | |
| Overall length L | 91 mm | |
| Shank ⌀ Ds | 8 mm | |
| Feed f in steel < 60 HRC | 0.08 mm/rev. | |
| Colour ring | red | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 122651 7,8 | |
| EAN / GTIN | 4045197970336 | |
| Manufacturer number | 122651 7,8 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
120
P
100
P
85
P
70
P
55
H
28
H
16
H
14
H
10
K
70
Description
Version:
Cutting chisel edge with high centring accuracy due to strong core and special point geometry. Convex major cutting edges with defined honed edge ensure the drill has high stability and maximum load capacity.
Special multi-nano layer coating for drilling in hardened steels.
Special multi-nano layer coating for drilling in hardened steels.