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Manufacturer number:
Cat. Nr.:
Stub subland drill HSS 90°, TiAlN, for screws: M8
Article no.: 117140 M8
Article code:
- Tool material: HSS
- Standard: DIN 1897
- Tolerance nominal ⌀: h8
- Point angle: 118
- Shank: Parallel shank to h8
Product details
Technical Data
| for screws | M8 | |
| Coating | TiAlN | |
| Tool material | HSS | |
| Standard | DIN 1897 | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 118 degrees | |
| Shank | Parallel shank to h8 | |
| Countersink angle | 90 degrees | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| ⌀ D1 1st step with chamfer h8 | 8.4 mm | |
| ⌀ D2 2nd step with chamfer h8 | 15 mm | |
| Step height L1 1st step | 19 mm | |
| Flute length Lc | 56 mm | |
| Overall length L | 111 mm | |
| Shank ⌀ Ds | 15 mm | |
| Feed f in steel < 750 N/mm2 | 0.1 mm/rev. | |
| Shank tolerance | h8 | |
| Colour ring | without | |
| Type of product | Stepped drill |
Identification & Classification
| Article number | 117140 M8 | |
| EAN / GTIN | 4045197035998 | |
| Manufacturer number | 117140 M8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
56
N
50
P
50
P
37
P
31
P
12
P
10
K
31
N
80
Description
Version:
Very sturdy. Tight concentricity tolerances between drill ⌀ and counterbore ⌀ guarantee exact alignment.
Application:
Particularly suitable for NC machines due to high positional accuracy, excellent centring properties and great sturdiness. The preceding centring operation can thus often be omitted.
For through holes for screws to DIN-ISO 273 and countersinks to DIN 74, sheet 1 form A, fine version.
For screws to ISO 2009, 2010, 7046, 7047 (DIN 963, 964, 965 and 966).
For through holes for screws to DIN-ISO 273 and countersinks to DIN 74, sheet 1 form A, fine version.
For screws to ISO 2009, 2010, 7046, 7047 (DIN 963, 964, 965 and 966).