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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Countersink 90°, uncoated, External ⌀ Dc: 31mm
Article no.: 232981
Catalog no.: 150175
Article code:
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Three-flute countersinks for accurate centring.
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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 | |
| Cooling lubricant | no | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Holder shape | Standard | |
| Holder version | metric | |
| Holder size, metric | 0120 mm | |
| Type of mounting | spigot | |
| Holder tolerance class | h9 | |
| Shank diameter | 12 mm | |
| Shank length | 44 mm | |
| Cutter diameter, min. | 4.2 mm | |
| Cutter diameter, max. | 31 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter | 4.2 mm | |
| Flute length | 22.7 mm | |
| Taper length | 13.4 mm | |
| Number of teeth | 3 | |
| Twist direction | right-hand | |
| Helix angle, min. | 0 degrees | |
| Angle, 1st step | 90 degrees | |
| Pilot pin | without guiding pin | |
| Product designation (type) | K | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length | 26 mm | |
| Usable length | 26 mm | |
| Overall length | 71 mm | |
| Weight | 100 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 335 C | |
| Machining method | subland drilling | |
| Colour ring | without | |
| Type of product | countersink | |
| Content | single part |
Identification & Classification
| Article number | 232981 | |
| Catalog number | 150175 | |
| EAN / GTIN | 4045197085856 | |
| Manufacturer number | 150175 31 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
70
N
33
P
28
P
27
P
27
P
8
Description
Version:
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
Economy countersink version.
Flutes are ground from solid.
Economy countersink version.
Application:
High-precision countersink for chatter-free 90° countersinking.