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Solid carbide jobber drill 7,4 mm
Article no.: 122251 7,4
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 | 7.4 mm | |
| Coating | TiAlN | |
| 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 | 57.9 mm | |
| Helix angle | 30 degrees | |
| Shank | Parallel shank to h7 | |
| Through-coolant | no | |
| Flute length Lc | 69 mm | |
| Overall length L | 109 mm | |
| Shank ⌀ Ds | 7.4 mm | |
| Shank tolerance | h7 | |
| Feed f in steel < 1100 N/mm2 | 0.11 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 122251 7,4 | |
| EAN / GTIN | 4045197749505 | |
| Manufacturer number | 122251 7,4 |
Application Table
N
260
N
180
N
180
P
90
P
90
P
80
P
60
P
35
M
35
M
25
S
25
K
90
N
180
Description
Version:
Similar to DIN 338.
Nominal ⌀ and shank ⌀ equal.
TiAlN coating for even better performance.
Nominal ⌀ and shank ⌀ equal.
TiAlN coating for even better performance.
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.
Downloads & documents
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| Number of cutting edges Z | 2 | 2 | 2 |
| Colour ring | without | without | without |
| Overall length L | 109 | 109 | 109 |
| Shank | Parallel shank to h7 | Parallel shank to h7 | Parallel shank to h7 |
| Helix angle | 30 | 30 | 30 |
| Point angle | 118 | 118 | 118 |
| Flute length Lc | 69 | 69 | 69 |