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Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
Subland drill HSS 180°, vaporised, for screws: M4
Article no.: 238430
Catalog no.: 117280
Article code:
- Tool material: HSS
- Standard: DIN 8376
- Tolerance nominal ⌀: h9
- Point angle: 118
- Helix angle: 20-30
Product details
Technical Data
| for screws | M4 | |
| Coating | vaporised | |
| Tool material | HSS | |
| Standard | DIN 8376 | |
| Tolerance nominal ⌀ | h9 | |
| Point angle | 118 degrees | |
| Helix angle | 20-30 degrees | |
| Shank | Parallel shank to h8 | |
| Countersink angle | 180 degrees | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| ⌀ D1 1st step 180° h9 | 4.5 mm | |
| ⌀ D2 2nd step 180° h8 | 8 mm | |
| Step height L1 1st step 180° | 11 mm | |
| Flute length Lc | 75 mm | |
| Overall length L | 117 mm | |
| Shank ⌀ Ds | 8 mm | |
| Feed f in steel < 750 N/mm2 | 0.03 mm/rev. | |
| Shank tolerance | h8 | |
| Colour ring | without | |
| Type of product | Stepped drill |
Identification & Classification
| Article number | 238430 | |
| Catalog number | 117280 | |
| EAN / GTIN | 4045197036292 | |
| Manufacturer number | 117280 M4 | |
| 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:
For screw through holes to DIN-ISO 273 and screw head counterbores shape H, J, and K. Medium version to DIN 74 sheet 2.