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Manufacturer number:
High-precision countersink with unequal spacing and 3 drive flats 90°, AlTiCN, External ⌀ Dc: 20,5mm
Article no.: 150393 20,5
Article code:
- 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 ⌀ | 20.5 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 | Shank with h9 and three drive flats | |
| 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 | 0.14 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 | 150393 20,5 | |
| EAN / GTIN | 4062406277239 | |
| Manufacturer number | 150393 20,5 |
Application Table
N
53
N
40
N
35
P
55
P
30
P
25
P
15
P
12
M
18
M
13
S
13
K
30
N
42
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.
Three drive flats on the shank for use in a 3-jaw chuck.
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.
Three drive flats on the shank for use in a 3-jaw chuck.
Application:
High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.