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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
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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≥ 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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Product details
Technical Data
| Tool material | HSS-E | |
| Coating | uncoated | |
| Colour ring | without | |
| Cutter diameter 1st step min. DC | 2.3 mm | |
| Overall length L | 53 mm | |
| Usable length L1 | 25 mm | |
| Cutting edge length LC | 12 mm | |
| Gauge length A | 31 mm | |
| Number of teeth | 4 | |
| Shank diameter DS | 2.2 mm | |
| Helix angle max. | 7 degrees | |
| Type of reaming tool | for through holes | |
| Standard | DIN 212 B | |
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL | |
| Interface coding, according to ISO TS 13399-60 | ZYL00220105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 0022 mm | |
| Type of mounting | spigot | |
| Holder tolerance class | h$09 | |
| Length of shank LS | 27 mm | |
| Configurable | no | |
| Boring out allowance | 0.1 mm | |
| Hole to be created 1st step, ISO tolerance class | H7 | |
| Tap infeed length | 0.4 mm | |
| Twist direction | left-hand | |
| Taper lead angle | 45 degrees | |
| Type of drive | machine reamer | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Interface | joint 1 | |
| upper dimension of nominal diameter | 0.008 mm | |
| lower dimension of nominal diameter | 0.004 mm | |
| Weight | 2 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Type of product | cylindrical reamer | |
| Content | single part |
Identification & Classification
| Article number | 163000 2,3 | |
| EAN / GTIN | 4045197252623 | |
| Manufacturer number | 163000 2,3 | |
| Manufacturer/responsible person | 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.