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EAN / GTIN:
Manufacturer number:
Cat. No.:
Mini insert for internal boring out without chip breaker right-hand, HB720, ⌀ Dmin: 7,8mm
Article no.: 521207
Catalog no.: 270020
Article code:
Product details
Technical Data
| Series | Mini | |
| Manufacturer’s designation | Mini-Schneidplatte zum Ausdrehen innen ohne Spanleitstufe | |
| Thickness of insert S | 3.65 mm | |
| Insert version | right-hand | |
| Corner radius R | 0.2 mm | |
| Corner angle | 2 degrees | |
| Rake angle | 0 degrees | |
| Normal clearance angle, main cutting edge | 14.4 degrees | |
| Angle of main cutting edge, right | 8 degrees | |
| Wedge angle α | 70 degrees | |
| Insert size L | 6 mm | |
| Max. cutting depth ap max | 1.3 mm | |
| for bores from Dmin | 7.8 mm | |
| Cutting media, manufacturer’s designation | HB720 | |
| Coating | TiCN | |
| Grade | HB720 | |
| Insert thickness T | 3.65 mm | |
| Type of product | cutter insert | |
| Number of teeth | 1 pcs. | |
| Direction of action | right-hand | |
| Chip breaker | no | |
| Weight | 3 g |
Identification & Classification
| Article number | 521207 | |
| Catalog number | 270020 | |
| EAN / GTIN | 4045197560100 | |
| Manufacturer number | 270020 7,8 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
80
N
80
N
60
P
80
P
80
P
80
P
80
P
60
M
70
M
50
S
30
K
60
N
80
