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Manufacturer number:
Cat. Nr.:
Solid carbide short stepped drill 180°, TiAlN, for screws: M3
Article no.: 311869
Catalog no.: 125120
Article code:
- Tool material: Solid carbide
- Standard: DIN 8376
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 140
Product details
Technical Data
| for screws | M3 | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | DIN 8376 | |
| Type | N | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 140 degrees | |
| Shank | Plain shank | |
| Countersink angle | 180 degrees | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| ⌀ D1 1st step 180° h8 | 3.4 mm | |
| ⌀ D2 2nd step 180° h8 | 6 mm | |
| Step height L1 1st step 180° | 9 mm | |
| Flute length Lc | 28 mm | |
| Overall length L | 64 mm | |
| Shank ⌀ Ds | 6 mm | |
| Feed f in steel < 1100 N/mm2 | 0.08 mm/rev. | |
| Shank tolerance | h6 | |
| Colour ring | without | |
| Type of product | Stepped drill |
Identification & Classification
| Article number | 311869 | |
| Catalog number | 125120 | |
| EAN / GTIN | 4045197065018 | |
| Manufacturer number | 125120 M3 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
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
Version:
Very sturdy− step length to DIN 8376. Tight concentricity tolerances between drill and counterbore ⌀ guarantee exact alignment.
Application:
For screw through holes to DIN-ISO 273 and counterbores to DIN 74, sheet 2 form H, J, and K, medium version. For screws to DIN 912, 6912, and 7984, ISO 1207 (DIN 84).