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HOLEX Pro Steel solid carbide drill, Weldon shank DIN 6535 HB, TiAlN, ⌀ DC h7 (mm or inch): 7,9
Article no.: 122502 7,9
Article code:
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Weldon shank DIN 6535 HB
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- Tool material: Solid carbide
- Standard: DIN 6537 K
- Version: 4×D
- Tolerance nominal ⌀: h7
- Number of cutting edges Z: 2
Product details
Technical Data
| Series | Pro Steel | |
| Nominal ⌀ DC | 7.9 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | DIN 6537 K | |
| Version | 4×D | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 140 degrees | |
| recommended maximum drilling depth L2 | 29.2 mm | |
| Shank | DIN 6535 HB to h6 | |
| Through-coolant | no | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 41 mm | |
| Overall length L | 79 mm | |
| Shank ⌀ Ds | 8 mm | |
| Feed f in steel < 900 N/mm2 | 0.18 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 122502 7,9 | |
| EAN / GTIN | 4045197830906 | |
| Manufacturer number | 122502 7,9 |
Application Table
P
115
P
105
P
85
P
80
P
60
M
30
M
25
K
90
K
55
Description
Version:
Straight major cutting edges and a special flute profile ensure good chip evacuation. The robust cutter geometry ensures high-performance drilling with good process reliability.
A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant coating.
A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant coating.
Note:
Flute length LC = L2 + 1.5 × DC.
Downloads & documents
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|
| Number of cutting edges Z | 2 | 2 | 2 | 2 |
| Coating | TiAlN | TiN | TiAlN | AlTiN |
| Version | 4×D | 4×D | 4×D | 4×D |
| Overall length L | 79 mm | 79 mm | 79 mm | 79 mm |
| Flute length Lc | 41 mm | 41 mm | 41 mm | 41 mm |
| Shank ⌀ Ds | 8 mm | 8 mm | 8 mm | 8 mm |
| Type of product | Jobber drill | Jobber drill | Jobber drill | Twist Drill |