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EAN / GTIN:
Manufacturer number:
Cat. No.:
High-precision countersink with unequal spacing 60°, TiAlN, External ⌀ Dc: 8mm
Article no.: 644015
Catalog no.: 150815
Article code:
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Extremely unequal spacing (cutting edges arranged at unequal intervals)
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Product details
Technical Data
| Through-coolant | no | |
| Entry of cooling lubricant | without cooling lubricant entry | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Feed f | 0.1 mm/rev. | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00600115 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 6 mm | |
| Dry machining | suitable only under restricted conditions | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 6 mm | |
| Length of shank LS | 38 mm | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Präzisions-Kegelsenker mit Ungleichteilung | |
| Cutter diameter, min. Dc min. | 2 mm | |
| Cutter diameter, max. Dc max. | 8 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter d | 2 mm | |
| Flute length Lc | 9 mm | |
| Taper length | 5.2 mm | |
| Number of teeth Z | 3 | |
| Twist direction | right-hand | |
| Angle, 1st step | 60 degrees | |
| Pilot pin | without guiding pin | |
| Spacing of the countersink cutting edges | extremely unequal | |
| Tool material | HSS | |
| Machining group | K (cast iron); M (stainless steel); N (non-ferrous metals); P (steel) | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Usable length L1 | 12 mm | |
| Overall length L | 50 mm | |
| Functional length | 5.2 mm | |
| Weight | 14 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 334 | |
| Machining method | profile countersinking (SPR) | |
| Colour ring | green | |
| Type of product | countersink | |
| Feed in | steel < 500 N/mm2 | |
| Content | single part |
Identification & Classification
| Article number | 644015 | |
| Catalog number | 150815 | |
| EAN / GTIN | 4045197868060 | |
| Manufacturer number | 150815 8 | |
| Article class | 11M | |
| 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:
High-precision 60° countersink with unequal spacing.
Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.
Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.
Advantage:
Very smooth cutting throughout the entire countersinking operation. Chatter-free running for perfect results and optimum tool service life.
Application:
High-precision countersinks for production of exactly round 60° countersunk surfaces.