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Jobber drill HSS-E N, uncoated, ⌀ DC h8: 7,8mm
Article no.: 114405 7,8
Article code:
- Tool material: HSS E
- Standard: DIN 338
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 135
Product details
Technical Data
| Nominal ⌀ DC | 7.8 mm | |
| Coating | uncoated | |
| Tool material | HSS E | |
| Standard | DIN 338 | |
| Type | N | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 135 degrees | |
| Shank | Plain shank | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| recommended maximum drilling depth L2 | 63.3 mm | |
| Flute length Lc | 75 mm | |
| Overall length L | 117 mm | |
| Shank ⌀ Ds | 7.8 mm | |
| Feed f in steel < 750 N/mm2 | 0.07 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 114405 7,8 | |
| EAN / GTIN | 4045197535238 | |
| Manufacturer number | 114405 7,8 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
35
P
28
P
22
P
8
P
6
M
8
Description
Version:
Profile ground: this ensures high concentricity and pitch accuracy. Precision ground point. Drill for production use.
With point geometry shape C from size 2 mm
With point geometry shape C from size 2 mm
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.