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EAN / GTIN:
Manufacturer number:
Cat. No.:
High-precision countersink 90°, TiAlN, External ⌀ Dc: 12,4mm
Article no.: 232972
Catalog no.: 150170
Article code:
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Three-flute countersinks for accurate centring.
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Offers
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 | 0.12 mm/rev. | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Interface coding | ZYL00800105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 8 mm | |
| Dry machining | suitable only under restricted conditions | |
| Type of mounting | spigot | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 8 mm | |
| Length of shank LS | 44.2 mm | |
| Shank type | HA | |
| Cooling lubricant | yes | |
| Manufacturer’s designation | Präzisions-Kegelsenker 90° | |
| Cutter diameter, min. Dc min. | 2.8 mm | |
| Cutter diameter, max. Dc max. | 12.4 mm | |
| Configurable | no | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter d | 2.8 mm | |
| Flute length Lc | 8.8 mm | |
| Taper length | 4.8 mm | |
| Number of teeth Z | 3 | |
| Twist direction | neutral, straight | |
| Helix angle, min. | 0 degrees | |
| Angle, 1st step | 90 degrees | |
| Pilot pin | without guiding pin | |
| Tool material | HSS | |
| Machining group | M (stainless steel); N (non-ferrous metals); P (steel) | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Usable length L1 | 20 mm | |
| Overall length L | 56 mm | |
| Functional length | 20 mm | |
| Weight | 22 g | |
| Cutting direction | right-hand cutting | |
| Tool version | solid steel | |
| Standard | DIN 335 C | |
| 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 | 232972 | |
| Catalog number | 150170 | |
| EAN / GTIN | 4045197085627 | |
| Manufacturer number | 150170 12,4 | |
| Article class | 11M | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
25
P
34
P
32
P
32
M
9
M
8
N
80
Description
Version:
All countersinks have 3 cutting edges, radially relieved.
Flutes are ground from solid.
Precision countersink for considerable performance improvement.
Flutes are ground from solid.
Precision countersink for considerable performance improvement.
Application:
High precision countersinks for chatter-free countersinking.