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Article code:
EAN / GTIN:
Manufacturer number:
High-precision countersink 90°, uncoated, External ⌀ Dc: 31mm
Article no.: 150378 31
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
Product details
Technical Data
| External ⌀ | 31 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 | 4.2 mm | |
| Overall length L | 71 mm | |
| Shank ⌀ Ds | 12 mm | |
| for countersunk screws DIN 7991 | M16 | |
| Feed f in stainless steel < 900 N/mm2 | 0.18 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | blue | |
| Pre-drill ⌀ | 4.2 mm | |
| Type of product | Stepped drill and countersink |
Identification numbers & Classifications
| Article number | 150378 31 | |
| EAN / GTIN | 4045197086426 | |
| Manufacturer number | 150378 31 |
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.