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EAN / GTIN:
Manufacturer number:
High-precision countersink 90° 20,5 mm
Article no.: 150378 20,5
Article code:
- Countersink tip angle: 90
- Tool material: HSS E
- Number of cutting edges Z: 3
- Standard: DIN 335 C
- Shank: Plain shank with h9
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Product details
Technical Data
| External ⌀ | 20.5 mm | |
| Coating | uncoated | |
| Countersink tip angle | 90 degrees | |
| Tool material | HSS E | |
| Number of cutting edges Z | 3 | |
| Standard | DIN 335 C | |
| Shank | Plain shank with h9 | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 3.5 mm | |
| Overall length L | 63 mm | |
| Shank ⌀ Ds | 10 mm | |
| for countersunk screws DIN 7991 | M10 | |
| Feed f in stainless steel < 900 N/mm2 | 0.16 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | blue | |
| Pre-drill ⌀ | 3.5 mm | |
| Type of product | Stepped drill and countersink |
Identification numbers & Classifications
| Article number | 150378 20,5 | |
| EAN / GTIN | 4045197086396 | |
| Manufacturer number | 150378 20,5 |
Application Table
N
70
N
33
N
25
P
28
P
27
P
27
P
8
P
4
M
7
M
7
S
7
K
12
N
65
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.
Flutes are ground from solid.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Downloads & documents
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| Coating | uncoated | uncoated | uncoated | uncoated | uncoated | uncoated |
| Overall length L | 63 | 63 | 63 | 114 | 164 | 63 |
| Through-coolant | no | no | no | no | no | no |
| Countersink tip angle | 90 | 90 | 90 | 90 | 90 | 90 |
| Standard | DIN 335 C | DIN 335 C | DIN 335 C | Manufacturer’s standard | Manufacturer’s standard | DIN 335 C |
| Shank tolerance | h9 | h9 | h9 | h9 | h9 | h9 |
| Shank ⌀ Ds | 10 | 10 | 10 | 10 | 10 | 10 |