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High-precision countersink, long, with 3 drive flats 90° 12,4 mm
Article no.: 150376 12,4
Article code:
- Countersink tip angle: 90
- Tool material: HSS
- Spacing of the countersink cutting edges: unequal spacing
- Number of cutting edges Z: 3
- Norm: Manufacturer’s standard
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Product details
Technical Data
| External ⌀ | 12.4 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 | |
| Norm | Manufacturer’s standard | |
| Shank | Three clamping flats to h9 | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 2.8 mm | |
| Overall length L | 108 mm | |
| Shank ⌀ Ds | 8 mm | |
| for countersunk screws DIN 7991 | M6 | |
| Feed f in steel < 500 N/mm2 | 0.13 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | green | |
| Pre-drill ⌀ | 2.8 mm | |
| Type of product | Stepped drill and countersink |
Identification numbers & Classifications
| Article number | 150376 12,4 | |
| EAN / GTIN | 4062406066017 | |
| Manufacturer number | 150376 12,4 |
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, radially relief ground. Flutes ground from solid.
High-precision countersink, produced to tight manufacturing tolerances similar to DIN335-C, with long plain shank.
Special geometry with extremely unequal spacing and matching cutting edge preparation.
Newly developed, special TiAlN coating for long tool life.
Three drive flats on the shank for use in a 3-jaw chuck.
High-precision countersink, produced to tight manufacturing tolerances similar to DIN335-C, with long plain shank.
Special geometry with extremely unequal spacing and matching cutting edge preparation.
Newly developed, special TiAlN coating for long tool life.
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.
Downloads & documents
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| Coating | TiAlN | uncoated | TiAlN | AlTiCN | TiAlN |
| Colour ring | green | without | green | blue | green |
| Countersink tip angle | 90 | 90 | 90 | 90 | 90 |
| Norm | Manufacturer’s standard | DIN 335 C | DIN 335 C | DIN 335 C | DIN 335 C |
| Shank | Three clamping flats to h9 | Shank with h9 and three drive flats | Shank with h9 and three drive flats | Shank with h9 and three drive flats | Three clamping flats to h9 |
| Shank tolerance | h9 | h9 | h9 | h9 | h9 |
| smallest countersink ⌀ for holes from | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |