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Manufacturer number:
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Milling insert for internal and external threads 55°, HB7720, Threads per inch: 11
Article no.: 218080 11
Article code:
Product details
Technical Data
| Type of product | cutter insert | |
| Coating | TiAlN | |
| Thread profile | full profile V | |
| Number of teeth | 10 pcs. | |
| Tool material | Carbide | |
| Correction factor fz | 2.5 | |
| Wet maximum | suitable | |
| Cooling lubricant | yes | |
| Insert version | neutral | |
| Thread type | G; BSP; BSW; BSP | |
| Point angle | 55 degrees | |
| Threads per inch | 11; 11; 11 | |
| Insert size L | 25 mm | |
| Machining group | K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel); S (difficult-to-machine materials) | |
| Cutting media, manufacturer’s designation | VBX | |
| Grade | HB7720 | |
| Direction of action | neutral | |
| Suitable for material | Titan; Universal; aluminium; brass; cast iron (K); stainless steel (M); steel (P) | |
| Machining method | spiral milling (thread milling) (FSC) | |
| Number of potential uses | 2 pcs. | |
| Content | single part |
Identification & Classification
| Article number | 218080 11 | |
| EAN / GTIN | 4045197412751 | |
| Manufacturer number | 218080 11 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
140
N
120
N
80
P
120
P
110
P
100
P
80
P
60
M
80
M
70
S
40
K
70
N
120
N
120
Description
Version:
Sturdy milling inserts for high feed rates and high productivity.
Double-edged.
Double-edged.
Application:
For internal and external threads 55° to standard BS 84: 1956, DIN 259, ISO 228/1: 1982. Tolerance class Medium Class A.
Note:
Always fit the thread milling inserts with the marks matching, otherwise the thread will be distorted! (Sides have either a mark or no mark).
Feed fz = HB 7720 in steel < 750 N/mm2 = 0.25 mm / tooth.
Feed fz = HB 7735 in INOX > 900 N/mm2 = 0.15 mm / tooth.
Feed fz = HB 7720 in steel < 750 N/mm2 = 0.25 mm / tooth.
Feed fz = HB 7735 in INOX > 900 N/mm2 = 0.15 mm / tooth.