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Manufacturer number:
Machine reamer H7, uncoated, Nominal ⌀ DC: 12mm
Article no.: 163000 12
Article code:
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≥ 3.9 mm
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≥ 3.9 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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- Tolerance: H7
- Tool material: HSS E
- Standard: DIN 212 B
- Through-coolant: no
- Shank: Plain shank with h9
Product details
Technical Data
| Nominal ⌀ DC | 12 mm | |
| Coating | uncoated | |
| Tolerance | H7 | |
| Tool material | HSS E | |
| Standard | DIN 212 B | |
| Through-coolant | no | |
| Shank | Plain shank with h9 | |
| Application for type of drilling | for through holes | |
| Flute length Lc | 44 mm | |
| Overhang L1 | 110 mm | |
| Overall length L | 151 mm | |
| Number of cutting edges Z | 6 | |
| Shank ⌀ Ds | 10 mm | |
| Feed f in steel < 750 N/mm2 | 0.25 mm/rev. | |
| Reaming oversize in diameter | 0.1 mm - 0.2 mm | |
| Shank tolerance | h9 | |
| Colour ring | without | |
| Type of product | Phillips bit |
Identification numbers & Classifications
| Article number | 163000 12 | |
| EAN / GTIN | 4045197253194 | |
| Manufacturer number | 163000 12 |
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.
Downloads & documents
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| Overhang L1 | 110 mm | 110 mm | 110 mm | 106 mm | 115 mm | 115 mm |
| Coating | uncoated | uncoated | uncoated | TiN | uncoated | uncoated |
| Colour ring | without | green | without | without | without | without |
| Nominal ⌀ DC | 12 mm | 12 mm | 12 mm | 12 mm | 12 mm | 12 mm |
| Standard | DIN 212 B | Manufacturer’s standard | Manufacturer’s standard | DIN 212 B | DIN 208 B | DIN 208 B |
| Flute length Lc | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Feed f in steel < 750 N/mm2 | 0.25 mm/rev. | 0.25 mm/rev. | 0.25 mm/rev. | 0.23 mm/rev. | 0.15 mm/rev. | 0.15 mm/rev. |