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Solid carbide high performance drill, Weldon shank DIN 6535 HB 7,8 mm
Article no.: 122315 7,8
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
| Nominal ⌀ DC | 7.8 mm | |
| Coating | TiN | |
| 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 | 29.3 mm | |
| Shank | DIN 6535 HB to h6 | |
| Through-coolant | no | |
| Semi-Standard | yes | |
| Flute length Lc | 41 mm | |
| Overall length L | 79 mm | |
| Shank ⌀ Ds | 8 mm | |
| Shank tolerance | h6 | |
| Feed f in steel < 900 N/mm2 | 0.18 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 122315 7,8 | |
| EAN / GTIN | 4045197386984 | |
| Manufacturer number | 122315 7,8 |
Application Table
N
140
N
120
P
80
P
75
P
65
P
60
P
35
K
70
Description
Version:
Cutting chisel edge with high centring accuracy due to strong core and special point geometry. Straight major cutting edges with slightly honed edges and special flute profile produce short chips.
Note:
Flute length LC = L2 + 1.5 × DC.
Downloads & documents
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|
| Coating | TiN | TiAlN | TiAlN | AlTiN |
| Colour ring | without | green | red | blue |
| Standard | DIN 6537 K | DIN 6537 K | DIN 6537 K | DIN 6537 K |
| Tool material | Solid carbide | Solid carbide | Solid carbide | Solid carbide |
| Tolerance nominal ⌀ | h7 | h7 | h7 | m7 |
| Flute length Lc | 41 mm | 41 mm | 41 mm | 41 mm |
| recommended maximum drilling depth L2 | 29.3 mm | 29.3 mm | 29.3 mm | 29.3 mm |