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Article code:
EAN / GTIN:
Manufacturer number:
Machine reamer H7, uncoated, Nominal ⌀ DC: 2,3mm
Article no.: 163000 2,3
Article code:
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≤ 3.7 mm
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≤ 3.7 mm
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Even number of teeth with irregular spacing − teeth are exactly opposite each other; e. g. teeth 1 and 5.
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Correct undersize for pre-drilled holes can be found in the machining handbook.
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≥ 3.9 mm
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- Toleranz: H7
- Schneidstoff: HSS E
- Norm: DIN 212 B
- Innenkühlung: no
- Schaft: Plain shank with h9
Product details
Technical Data
| Nominal ⌀ DC | 2.3 mm | |
| Beschichtung | uncoated | |
| Toleranz | H7 | |
| Schneidstoff | HSS E | |
| Norm | DIN 212 B | |
| Innenkühlung | no | |
| Schaft | Plain shank with h9 | |
| Application for type of drilling | for through holes | |
| Flute length Lc | 12 mm | |
| Overhang L1 | 24 mm | |
| Overall length L | 53 mm | |
| Number of cutting edges Z | 4 | |
| Shank ⌀ Ds | 2.2 mm | |
| Vorschub f in Stahl < 750 N/mm2 | 0.15 mm/rev. | |
| Reaming oversize in diameter | 0.05 mm - 0.1 mm | |
| Schafttoleranz | h9 | |
| Colour ring | without | |
| Type of product | Phillips bit |
Identification & Classification
| Article number | 163000 2,3 | |
| EAN / GTIN | 4045197252623 | |
| Manufacturer number | 163000 2,3 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
20
N
20
P
15
P
10
P
7
P
5
P
4
M
5
M
5
S
5
K
5
N
13
Description
Version:
With long flutes and left-hand helix.
From size 1.8 even number of teeth and uneven spacing.
Up to size 3.7 both ends with external centres;
from size 3.9 both ends with internal centres.
Reamers finish ground for fit H7.
From size 1.8 even number of teeth and uneven spacing.
Up to size 3.7 both ends with external centres;
from size 3.9 both ends with internal centres.
Reamers finish ground for fit H7.
Application:
For reaming through holes. Also suitable for blind holes (from 3.9 mm ⌀) due to short chamfer lead.
Note:
- Straight flute machine chucking reamers − available ex-stock.
- For reamers with other diameters and fits see No. 162951.