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Solid carbide NC high performance drill FS, plain shank DIN 6535 HB, TiAlN, ⌀ DC h7: 7,9mm
Article no.: 122545 7,9
Article code:
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Weldon shank DIN 6535 HB
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- Tool material: Solid carbide
- Standard: DIN 6537
- Version: 6×D
- Type: FS
- Tolerance nominal ⌀: h7
Product details
Technical Data
| Nominal ⌀ DC | 7.9 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | DIN 6537 | |
| Version | 6×D | |
| Type | FS | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 140 degrees | |
| recommended maximum drilling depth L2 | 41.2 mm | |
| Shank | DIN 6535 HB to h6 | |
| Through-coolant | no | |
| Semi-Standard | yes | |
| Flute length Lc | 53 mm | |
| Overall length L | 91 mm | |
| Shank ⌀ Ds | 8 mm | |
| Shank tolerance | h6 | |
| Feed f in steel < 750 N/mm2 | 0.2 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 122545 7,9 | |
| EAN / GTIN | 4045197393333 | |
| Manufacturer number | 122545 7,9 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
190
N
170
N
140
P
90
P
85
P
75
P
65
P
40
M
40
M
30
S
25
K
70
N
160
Description
Version:
Particularly strong due to strengthened core and special profile. Special point geometry. High concentricity and long tool life. Precision drilling qualities.
Note:
Flute length LC = L2 + 1.5 × DC.