Product details
Technical Data
| Series | Master Steel | |
| Nominal ⌀ DC | 4 mm | |
| Coating | TiAlN | |
| Tool material | solid carbide | |
| Standard | DIN 6537 L | |
| Version | 6×D | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 3 | |
| Point angle | 145 degrees | |
| recommended maximum drilling depth L2 | 30 mm | |
| Shank | DIN 6535 HA to h6 | |
| Through-coolant | yes, with 25 bar | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 36 mm | |
| Overall length L | 74 mm | |
| Shank ⌀ Ds | 6 mm | |
| Feed f in steel < 1100 N/mm2 | 0.28 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 122725 4 | |
| EAN / GTIN | 4045197781659 | |
| Manufacturer number | 122725 4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |





