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Countersink 90°, uncoated, External ⌀ Dc: 8mm
Article no.: 150175 8
Article code:
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Three-flute countersinks for accurate centring.
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- Countersink tip angle: 90
- Tool material: HSS
- Number of cutting edges Z: 3
- Standard: DIN 335 C
- Shank: Plain shank with h9
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Product details
Technical Data
| External ⌀ | 8 mm | |
| Coating | uncoated | |
| Countersink tip angle | 90 degrees | |
| Tool material | HSS | |
| Number of cutting edges Z | 3 | |
| Standard | DIN 335 C | |
| Shank | Plain shank with h9 | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 2 mm | |
| Overall length L | 50 mm | |
| Shank ⌀ Ds | 6 mm | |
| for countersunk screws ISO 2009, 2010, 7046, 7047 | M4 | |
| Feed f in steel < 500 N/mm2 | 0.09 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | without | |
| Type of product | Stepped drill and countersink |
Identification numbers & Classifications
| Article number | 150175 8 | |
| EAN / GTIN | 4045197085733 | |
| Manufacturer number | 150175 8 |
Application Table
N
70
N
33
P
28
P
27
P
27
P
8
Description
Version:
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
Economy countersink version.
Flutes are ground from solid.
Economy countersink version.
Application:
High-precision countersink for chatter-free 90° countersinking.
Downloads & documents
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|
| Coating | uncoated | uncoated | TiAlN | TiN | uncoated | TiAlN | TiAlN | TiAlN | TiAlN |
| Colour ring | without | without | green | green | without | green | green | green | green |
| Countersink tip angle | 90 degrees | 90 degrees | 90 degrees | 90 degrees | 90 degrees | 90 degrees | 90 degrees | 90 degrees | 90 degrees |
| Standard | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C |
| Shank tolerance | h9 | h9 | h9 | h9 | h9 | h9 | h9 | h9 | h9 |
| Feed f in steel < 500 N/mm2 | 0.09 mm/rev. | 0.09 mm/rev. | 0.09 mm/rev. | 0.09 mm/rev. | 0.09 mm/rev. | 0.1 mm/rev. | 0.1 mm/rev. | 0.09 mm/rev. | 0.09 mm/rev. |
| Type of product | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink |