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Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
Subland drill HSS 90°, vaporised, for threads: M8
Article no.: 166286
Catalog no.: 117060
Article code:
- Tool material: HSS
- Standard: DIN 8378
- Tolerance nominal ⌀: h9
- No. of teeth Z: 2
- Point angle: 118
Product details
Technical Data
| for threads | M8 | |
| Coating | vaporised | |
| Tool material | HSS | |
| Standard | DIN 8378 | |
| Tolerance nominal ⌀ | h9 | |
| No. of teeth Z | 2 | |
| Point angle | 118 degrees | |
| Shank | Parallel shank to h8 | |
| Helix angle | 20-30 degrees | |
| Countersink angle | 90 degrees | |
| Through-coolant | no | |
| ⌀ D1 1st step with chamfer h9 | 6.8 mm | |
| ⌀ D2 2nd step with chamfer h8 | 9 mm | |
| Step height L1 1st step | 21 mm | |
| Flute length Lc | 81 mm | |
| Overall length L | 125 mm | |
| Shank ⌀ Ds | 9 mm | |
| Feed f in steel < 750 N/mm2 | 0.1 mm/rev. | |
| Shank tolerance | h8 | |
| Colour ring | without | |
| Application for type of drilling | for blind hole and through hole | |
| Type of product | Stepped drill |
Identification & Classification
| Article number | 166286 | |
| Catalog number | 117060 | |
| EAN / GTIN | 4045197035813 | |
| Manufacturer number | 117060 M8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
45
P
40
P
30
P
25
K
25
N
80
Description
Version:
Drill and counterbore each with its own chip flutes and guide chamfers. This means the profile of the stepped drill is retained even after repeated regrinding.
Application:
Tapping hole and countersink are produced in one operation, precisely aligned.
For drilling tapping holes to DIN 336 sheet 1 with 90° countersinking (similar to DIN 69, medium version).
For drilling tapping holes to DIN 336 sheet 1 with 90° countersinking (similar to DIN 69, medium version).