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Cat. Nr.:
High-precision countersink, long, with 3 drive flats 90°, TiAlN, External ⌀ Dc: 6,3mm
Article no.: 150376 6,3
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Article code:
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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: Manufacturer’s standard
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Product details
Technical Data
| External ⌀ | 6,3 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 | Manufacturer’s standard | |
| Shank | Three clamping flats to h9 | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 1,5 mm | |
| Overall length L | 104 mm | |
| Shank ⌀ Ds | 5 mm | |
| for countersunk screws DIN 7991 | M3 | |
| Feed f in steel < 500 N/mm2 | 0,1 mm/rev. | |
| Shank tolerance | h9 | |
| Colour ring | green | |
| Pre-drill ⌀ | 1,5 mm | |
| Type of product | Stepped drill and countersink |
Identification & Classification
| Article number |
150376 6,3
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|
| EAN / GTIN |
4062406065980
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| Manufacturer number |
150376 6,3
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| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Deutschland, www.hoffmann-group.com |
Application Table
suitable for / [m/min]
N
ISO code:
75
suitable for / [m/min]
N
ISO code:
75
suitable for / [m/min]
N
ISO code:
50
suitable for / [m/min]
P
ISO code:
65
suitable for / [m/min]
P
ISO code:
50
suitable for / [m/min]
P
ISO code:
30
suitable for / [m/min]
P
ISO code:
18
suitable for / [m/min]
P
ISO code:
8
suitable for / [m/min]
H
ISO code:
8
suitable for / [m/min]
M
ISO code:
16
suitable for / [m/min]
M
ISO code:
10
suitable for / [m/min]
S
ISO code:
12
suitable for / [m/min]
K
ISO code:
25
suitable for / [m/min]
N
ISO code:
60
suitable for / [m/min]
N
ISO code:
suitable for / [m/min]
suitable for / [m/min]
suitable for / [m/min]
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.