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Manufacturer number:
Solid carbide jobber drill, TiN, ⌀ DC h7: 7,9mm
Article no.: 122301 7,9
Article code:
- Tool material: Solid carbide
- Standard: DIN 338
- Type: N
- Tolerance nominal ⌀: h7
- Number of cutting edges Z: 2
Product details
Technical Data
| Nominal ⌀ DC | 7.9 mm | |
| Coating | TiN | |
| Tool material | Solid carbide | |
| Standard | DIN 338 | |
| Type | N | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 118 degrees | |
| recommended maximum drilling depth L2 | 63.2 mm | |
| Helix angle | 30 degrees | |
| Shank | Parallel shank to h7 | |
| Through-coolant | no | |
| Flute length Lc | 75 mm | |
| Overall length L | 117 mm | |
| Shank ⌀ Ds | 7.9 mm | |
| Shank tolerance | h7 | |
| Feed f in steel < 1100 N/mm2 | 0.11 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 122301 7,9 | |
| EAN / GTIN | 4045197042842 | |
| Manufacturer number | 122301 7,9 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
230
N
160
N
160
P
80
P
80
P
70
P
50
P
30
M
30
M
25
S
20
K
85
N
160
Description
Version:
Similar to DIN 338.
Nominal ⌀ and shank ⌀ equal.
TiN coating.
Nominal ⌀ and shank ⌀ equal.
TiN coating.
Note:
Flute length LC = L2 + 1.5 × DC.
Non slip clamping in drill chuck No. 341050 with diamond coated jaws.
Non slip clamping in drill chuck No. 341050 with diamond coated jaws.