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HOLEX Pro Steel high-precision countersink with unequal spacing and 3 drive flats 90°, TiAlN, External ⌀ Dc: 4,3mm
Article no.: 150184 4,3
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Article code:
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Three-flute countersinks for accurate centring.
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- Countersink tip angle: 90
- Tool material: HSS
- Spacing of the countersink cutting edges: unequal spacing
- Number of cutting edges Z: 3
- Standard: DIN 335 C
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Product details
Technical Data
| External ⌀ | 4.3 mm | |
| Coating | TiAlN | |
| Countersink tip angle | 90 degrees | |
| Tool material | HSS | |
| Spacing of the countersink cutting edges | unequal spacing | |
| Number of cutting edges Z | 3 | |
| Standard | DIN 335 C | |
| Shank | Three clamping flats 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 steel < 500 N/mm2 | 0.07 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | green | |
| Series | Pro Steel | |
| Type of product | Stepped drill and countersink |
Identification & Classification
| Article number |
150184 4,3
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|
| EAN / GTIN |
4062406524357
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|
| Manufacturer number |
150184 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:
75
suitable for / [m/min]
N
ISO code:
70
suitable for / [m/min]
P
ISO code:
50
suitable for / [m/min]
P
ISO code:
40
suitable for / [m/min]
P
ISO code:
20
suitable for / [m/min]
P
ISO code:
15
suitable for / [m/min]
H
ISO code:
8
suitable for / [m/min]
M
ISO code:
18
suitable for / [m/min]
M
ISO code:
15
suitable for / [m/min]
S
ISO code:
12
suitable for / [m/min]
K
ISO code:
20
suitable for / [m/min]
N
ISO code:
20
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.
HOLEX Pro Steel:
Three drive flats on the shank for use in a 3-jaw chuck.
Flutes are ground from solid.
HOLEX Pro Steel:
- Exact machining results in manual and machine use.
- Chatter-free running through extremely unequal spacing of the cutting edges for high-quality surfaces.
- Optimum tool life thanks to TiALN high-performance coating.
- High process reliability due to optimised chip evacuation.
- Attractive cost/benefit ratio.
Three drive flats on the shank for use in a 3-jaw chuck.
Application:
High-precision countersink for chatter-free 90° countersinking.