{{ name }}
Article no. {{ combinedCodeWithHighlight }}
Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Machine reamer H7, uncoated, Nominal ⌀ DC: 20mm
Article no.: 163000 20
Article code:
Click to enlarge image
≥ 3.9 mm
Click to enlarge image
≥ 3.9 mm
Click to enlarge image
Even number of teeth with irregular spacing − teeth are exactly opposite each other; e. g. teeth 1 and 5.
Click to enlarge image
Correct undersize for pre-drilled holes can be found in the machining handbook.
Click to enlarge image
Click to enlarge image
Click to enlarge image
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Interface position | on the machine; on the machine | |
| Holder type | Plain shank; Plain shank | |
| Interface coding | ZYL00800105; ZYL01600105; ZYL00800105; ZYL01600105 | |
| Holder shape | plain shank; plain shank | |
| Holder version | metric; metric | |
| Holder size, metric | 0160 mm; 0160 mm | |
| Type of mounting | spigot; spigot | |
| Holder tolerance class | h$09; h$09 | |
| Shank diameter | 16 mm; 16 mm | |
| Shank length | 60 mm; 60 mm | |
| Tolerance Class | h7 | |
| Upper dimension of nominal diameter | 0.017 mm | |
| Lower dimension of nominal diameter | 0.009 mm | |
| Cutter diameter 1st step min. | 20 mm | |
| Configurable | no | |
| Boring out allowance | 0.3 mm | |
| Hole to be created 1st step, ISO tolerance class | H7 | |
| Cutting edge length | 60 mm | |
| Tap infeed length | 0.7 mm | |
| Number of teeth | 8 | |
| Twist direction | left-hand | |
| Helix angle max. | 7 degrees | |
| Type of reaming tool | for through holes | |
| Type of drive | machine reamer | |
| Tool material | HSS-E | |
| Cutting media, manufacturer’s designation | HSS-E | |
| Coating | uncoated | |
| Interface | joint 1; joint 1 | |
| Gauge length | 140 mm | |
| Usable length | 133 mm | |
| Overall length | 195 mm | |
| Weight | 289.4 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 212 B | |
| Machining method | boring out | |
| Colour ring | without | |
| Type of product | cylindrical reamer | |
| Content | single part |
Identification & Classification
| Article number | 163000 20 | |
| EAN / GTIN | 4045197253279 | |
| Manufacturer number | 163000 20 | |
| 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.