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High-precision countersink with unequal spacing and 3 drive flats 90° 20,5 mm
Article no.: 150132 20,5
Article code:
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Shank with 3 clamping flats
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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 ⌀ | 20.5 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 | 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 steel < 500 N/mm2 | 0.22 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | green | |
| Type of product | Stepped drill and countersink |
Identification numbers & Classifications
| Article number | 150132 20,5 | |
| EAN / GTIN | 4045197700780 | |
| Manufacturer number | 150132 20,5 |
Application Table
N
75
N
75
N
50
P
65
P
50
P
30
P
18
P
8
H
8
M
16
M
10
S
12
K
25
N
60
N
Description
Version:
All countersinks have 3 cutting edges. Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Three drive flats on the shank for use in a 3-jaw chuck.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-C.
Three drive flats on the shank for use in a 3-jaw chuck.
Advantage:
Very smooth cutting throughout the entire countersinking operation. Chatter-free running for perfect results and optimum tool service life.
Application:
High-precision countersinks for production of exactly round 90° countersunk surfaces.
Downloads & documents
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|
| Coating | TiAlN | uncoated | TiAlN | AlTiCN | TiAlN |
| for countersunk screws DIN 7991 | M10 | M10 | M10 | M10 | M10 |
| Through-coolant | no | no | no | no | no |
| Countersink tip angle | 90 degrees | 90 degrees | 90 degrees | 90 degrees | 90 degrees |
| Shank | Shank with h9 and three drive flats | Shank with h9 and three drive flats | Three clamping flats to h9 | Shank with h9 and three drive flats | Three clamping flats to h9 |
| Shank tolerance | h9 | h9 | h9 | h9 | h9 |
| Type of product | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink |