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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
High-precision countersink, long 90°, TiAlN, External ⌀ Dc: 25mm
Article no.: 644012
Catalog no.: 150377
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | no | |
| Manufacturer’s designation | Präzisions-Kegelsenker, lang | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL01000115 | |
| Holder shape | Standard | |
| Holder version | metric | |
| Holder size, metric | 10 mm | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 10 mm | |
| Length of shank LS | 95 mm | |
| Cutter diameter, min. Dc min. | 3.8 mm | |
| Cutter diameter, max. Dc max. | 25 mm | |
| For hole diameter d | 3.8 mm | |
| Flute length Lc | 17 mm | |
| Number of teeth Z | 3 | |
| Twist direction | right-hand | |
| Helix angle, min. | 0 degrees | |
| Angle, 1st step | 90 degrees | |
| Pilot pin | without guiding pin | |
| Spacing of the countersink cutting edges | extremely unequal | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Gauge length A | 78 mm | |
| Usable length L1 | 78 mm | |
| Overall length L | 118 mm | |
| Functional length | 10.6 mm | |
| Weight | 844 g | |
| Cutting direction | right-hand cutting | |
| Standard | Werksnorm | |
| Machining method | profile countersinking (SPR) | |
| Colour ring | green | |
| Type of product | countersink | |
| Content | single part |
Identification & Classification
| Article number | 644012 | |
| Catalog number | 150377 | |
| EAN / GTIN | 4045197868039 | |
| Manufacturer number | 150377 25 | |
| 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.