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EAN / GTIN:
Manufacturer number:
Cat. No.:
HOLEX Pro Steel high-precision countersink with unequal spacing and 3 drive flats 90°, TiAlN, External ⌀ Dc: 23mm
Article no.: 179093
Catalog no.: 150184
Article code:
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Three-flute countersinks for accurate centring.
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Offers
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Series | Pro Steel | |
| Manufacturer’s designation | HOLEX Pro Steel Präzisions-Kegelsenker mit Ungleichteilung und 3 Spannflächen | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Shank diameter DS | 10 mm | |
| Length of shank LS | 43.5 mm | |
| Cutter diameter, min. Dc min. | 3.7 mm | |
| Cutter diameter, max. Dc max. | 23 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter d | 3.7 mm | |
| Body diameter D4 | 9.5 mm | |
| Flute length Lc | 19.39 mm | |
| Taper length | 14.89 mm | |
| Number of teeth Z | 3 | |
| Twist direction | neutral, straight | |
| Angle, 1st step | 90 degrees | |
| Pilot pin | without guiding pin | |
| Guide elements | without guide elements | |
| Spacing of the countersink cutting edges | unequal spacing | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS-TIALN | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Gauge length A | 33.5 mm | |
| Usable length L1 | 23.5 mm | |
| Overall length L | 67 mm | |
| Functional length | 14.89 mm | |
| Weight | 56 g | |
| Cutting direction | right-hand cutting | |
| Standard | DIN 335 C | |
| Machining method | profile countersinking (SPR) | |
| Colour ring | green | |
| Type of product | countersink |
Identification & Classification
| Article number | 179093 | |
| Catalog number | 150184 | |
| EAN / GTIN | 4062406524487 | |
| Manufacturer number | 150184 23 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
75
N
70
P
50
P
40
P
20
P
15
H
8
M
18
M
15
S
12
K
20
N
20
Description
Version:
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
HOLEX Pro Steel:
Shank with 3 drive flats for use in a 3-jaw chuck.
Flutes are ground from solid.
HOLEX Pro Steel:
- Exact machining results in manual and machine use.
- Chatter-free running through extremely unequal spacing of the cutting edges for high-quality surfaces.
- Optimum tool life thanks to TiALN high-performance coating.
- High process reliability due to optimised chip evacuation.
- Attractive cost/benefit ratio.
Shank with 3 drive flats for use in a 3-jaw chuck.
Application:
High-precision countersink for chatter-free 90° countersinking.