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Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
Jobber drill, extra long HSS-E FS, uncoated, ⌀ DC h8 × overall length L: 2,5X225mm
Article no.: 722049
Catalog no.: 116250
Article code:
- Tool material: HSS E
- Standard: DIN 1869
- Type: FS
- Tolerance nominal ⌀: h8
- Point angle: 130
Product details
Technical Data
| Nominal ⌀ DC | 2.5 mm | |
| Coating | uncoated | |
| Tool material | HSS E | |
| Standard | DIN 1869 | |
| Type | FS | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 130 degrees | |
| Helix angle | 38 degrees | |
| Shank | Plain shank | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| recommended maximum drilling depth L2 | 146.3 mm | |
| Flute length Lc | 150 mm | |
| Overall length L | 225 mm | |
| Shank ⌀ Ds | 2.5 mm | |
| Feed f in steel < 750 N/mm2 | 0.05 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 722049 | |
| Catalog number | 116250 | |
| EAN / GTIN | 4062406265755 | |
| Manufacturer number | 116250 2,5X225 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
55
N
30
P
32
P
25
P
20
P
5
M
8
M
4
K
20
Description
Version:
With precision ground point.
Special 4-chamfer relief ground for very good guidance within the bore. Bright finish flutes, nitrided chamfers.
With point geometry shape C.
Special 4-chamfer relief ground for very good guidance within the bore. Bright finish flutes, nitrided chamfers.
With point geometry shape C.
Advantage:
Special deep hole drills. For particularly deep or recessed holes. Good chip evacuation due to parabolic flutes, resulting in fewer chip evacuations even in particularly deep holes.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.
Note:
Suitable NC spotting drills No. 112120, 112140 and 112170 with 142° tip angle for enhanced process reliability