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Article code:
EAN / GTIN:
Manufacturer number:
VHM-Kernloch-Stufenbohrer 90° M8
Article no.: 125100 M8
Article code:
- Tool material: Solid carbide
- Standard: Manufacturer’s standard
- Type: N
- Tolerance nominal ⌀: h7
- No. of teeth Z: 2
Product details
Technical Data
| for threads | M8 | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | Manufacturer’s standard | |
| Type | N | |
| Tolerance nominal ⌀ | h7 | |
| No. of teeth Z | 2 | |
| Point angle | 140 degrees | |
| Shank | DIN 6535 HA to h6 | |
| Countersink angle | 90 degrees | |
| Through-coolant | no | |
| ⌀ D1 1st step with chamfer h7 | 6.8 mm | |
| ⌀ D2 2nd step with chamfer h7 | 10 mm | |
| Step height L1 1st step | 21 mm | |
| Flute length Lc | 47 mm | |
| Overall length L | 89 mm | |
| Shank ⌀ Ds | 10 mm | |
| Feed f in steel < 1100 N/mm2 | 0.11 mm/rev. | |
| Shank tolerance | h6 | |
| Colour ring | without | |
| Application for type of drilling | for blind hole and through hole | |
| Type of product | Stepped drill |
Identification numbers & Classifications
| Article number | 125100 M8 | |
| EAN / GTIN | 4045197064981 | |
| Manufacturer number | 125100 M8 |
Application Table
N
260
N
180
N
180
P
90
P
90
P
90
P
60
P
35
M
35
M
30
S
25
K
110
N
180
Description
Ausführung:
Bohr- und Senkstufe jeweils mit eigenen Spannuten und Führungsfasen. Dadurch bleibt auch bei vielmaligem Nachschliff das Profil des Stufenbohrers erhalten. Senkwinkel 90°.
Vorteil:
Gewindekernloch und Ansenkung werden genau fluchtend zueinander in einem Arbeitsgang gefertigt. Für Gewinde-Kernlochbohrungen.