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Article code:
EAN / GTIN:
Manufacturer number:
Cat. Nr.:
High-precision countersink, long 90°, TiAlN, External ⌀ Dc: 6,3mm
Article no.: 644006
Catalog no.: 150377
Article code:
- 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
Offers
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 | Parallel shank 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 | 644006 | |
| Catalog number | 150377 | |
| EAN / GTIN | 4045197867575 | |
| Manufacturer number | 150377 6,3 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
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.