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Manufacturer number:
High-precision countersink, long 90° 31 mm
Article no.: 150377 31
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
Product details
Technical Data
| External ⌀ | 31 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 | Parallel shank to h9 | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 4.2 mm | |
| Overall length L | 140 mm | |
| Shank ⌀ Ds | 12 mm | |
| for countersunk screws DIN 7991 | M16 | |
| Feed f in steel < 500 N/mm2 | 0.25 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | green | |
| Pre-drill ⌀ | 4.2 mm | |
| Type of product | Stepped drill and countersink |
Identification numbers & Classifications
| Article number | 150377 31 | |
| EAN / GTIN | 4045197868046 | |
| Manufacturer number | 150377 31 |
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.
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.
Application:
High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.
Downloads & documents
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|
| for countersunk screws DIN 7991 | M16 | M16 | M16 | M16 |
| Overall length L | 140 | 71 | 71 | 71 |
| Shank | Parallel shank to h9 | Plain shank with h9 | Plain shank with h9 | Plain shank with h9 |
| Shank tolerance | h9 | h9 | h9 | h9 |
| Tool material | HSS | HSS | HSS | HSS |
| smallest countersink ⌀ for holes from | 4.2 | 4.2 | 4.2 | 4.2 |
| Type of product | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink | Stepped drill and countersink |