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Manufacturer number:
Cat. Nr.:
High-precision countersink with unequal spacing 90°, AlTiCN, External ⌀ Dc: 4,3mm
Article no.: 150389 4,3
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Article code:
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- Countersink tip angle: 90
- Tool material: HSS E
- Spacing of the countersink cutting edges: unequal spacing
- Number of cutting edges Z: 3
- Standard: DIN 335 C
Product details
Technical Data
| External ⌀ | 4.3 mm | |
| Coating | AlTiCN | |
| Countersink tip angle | 90 degrees | |
| Tool material | HSS E | |
| Spacing of the countersink cutting edges | unequal spacing | |
| Number of cutting edges Z | 3 | |
| Standard | DIN 335 C | |
| Shank | Parallel shank to h9 | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 1.3 mm | |
| Overall length L | 40 mm | |
| Shank ⌀ Ds | 4 mm | |
| for countersunk screws ISO 2009, 2010, 7046, 7047 | M2 | |
| Feed f in stainless steel < 900 N/mm2 | 0.1 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | blue | |
| Pre-drill ⌀ | 1.3 mm | |
| Type of product | Stepped drill and countersink |
Identification & Classification
| Article number |
150389 4,3
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|
| EAN / GTIN |
4062406073213
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|
| Manufacturer number |
150389 4,3
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|
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
suitable for / [m/min]
N
ISO code:
53
suitable for / [m/min]
N
ISO code:
40
suitable for / [m/min]
N
ISO code:
35
suitable for / [m/min]
P
ISO code:
55
suitable for / [m/min]
P
ISO code:
30
suitable for / [m/min]
P
ISO code:
25
suitable for / [m/min]
P
ISO code:
15
suitable for / [m/min]
P
ISO code:
12
suitable for / [m/min]
M
ISO code:
18
suitable for / [m/min]
M
ISO code:
13
suitable for / [m/min]
S
ISO code:
13
suitable for / [m/min]
K
ISO code:
30
suitable for / [m/min]
N
ISO code:
42
suitable for / [m/min]
suitable for / [m/min]
suitable for / [m/min]
Description
Version:
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Special geometry with unequal spacing and matching cutting edge preparation.
Newly developed AlTiCN coating especially for stainless steels.
Flutes are ground from solid.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Special geometry with unequal spacing and matching cutting edge preparation.
Newly developed AlTiCN coating especially for stainless steels.
Application:
High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.