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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Countersink Form C 60°, uncoated, External ⌀ Dc: 12,5mm
Article no.: 166693
Catalog no.: 150820
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Cooling lubricant | yes | |
| Interface position | on the machine | |
| Holder type | plain shank | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 0080 mm | |
| Type of mounting | spigot | |
| Holder tolerance class | h9 | |
| Shank diameter DS | 8 mm | |
| Shank length LS | 40.9 mm | |
| Cutter diameter, min. Dc min. | 3.2 mm | |
| Cutter diameter, max. Dc max. | 12.5 mm | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| For hole diameter d | 3.2 mm | |
| Flute length Lc | 12.1 mm | |
| Taper length | 8.1 mm | |
| Number of teeth Z | 3 | |
| Twist direction | right-hand | |
| Helix angle, min. | 0 degrees | |
| Angle, 1st step | 60 degrees | |
| Product designation (type) | N | |
| Tool material | HSS | |
| Cutting media, manufacturer’s designation | HSS | |
| Coating | uncoated | |
| Interface | joint 1 | |
| Gauge length A | 20 mm | |
| Usable length L1 | 20 mm | |
| Overall length L | 56 mm | |
| Weight | 33 g | |
| Cutting direction | right-hand cutting | |
| Standard | DIN 334 | |
| Machining method | subland drilling | |
| Colour ring | without | |
| Type of product | countersink | |
| Content | single part |
Identification & Classification
| Article number | 166693 | |
| Catalog number | 150820 | |
| EAN / GTIN | 4045197087225 | |
| Manufacturer number | 150820 12,5 | |
| 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
Description
Version:
The chip flutes are ground from solid. Countersink point and circumference are relief ground and cut easily,
resulting in easy and chatter-free cuttingfor deep countersinking as well as for deburring or countersinking.
resulting in easy and chatter-free cuttingfor deep countersinking as well as for deburring or countersinking.
Application:
For chatter-free countersinking and deburring.
Especially suitable for chamfering tapped holes and for countersinking in jig and tool making.
Especially suitable for chamfering tapped holes and for countersinking in jig and tool making.