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Article code:
EAN / GTIN:
Manufacturer number:
Cat. No.:
Solid carbide HPC micro-drill, TiAlN, ⌀ DC +0.004: 0,3mm
Article no.: 391816
Catalog no.: 121220
Article code:
Product details
Technical Data
| Through-coolant | no | |
| Escape of cooling lubricant | without cooling lubricant exit | |
| Cooling lubricant | yes | |
| Wet maximum | suitable | |
| Interface position | on the machine | |
| Holder type | Plain shank | |
| Interface coding | ZYL03000105 | |
| Holder shape | plain shank | |
| Holder version | metric | |
| Holder size, metric | 3 mm | |
| Dry machining | suitable only under restricted conditions | |
| Type of mounting | spigot | |
| Holder tolerance class | h6 | |
| Shank diameter | 3 mm | |
| Shank length | 27.46 mm | |
| Air | suitable | |
| Cutter diameter, min. | 0.3 mm | |
| Cutter diameter, max. | 0.3 mm | |
| Configurable | yes | |
| Interval configurability | 0.01 mm | |
| Tolerance of cutter diameter | manufacturer tolerance | |
| Min. manufacturer tolerance | 0 mm | |
| Max. manufacturer tolerance | 0.004 mm | |
| Body diameter | 0.3 mm | |
| Flute length | 5.5 mm | |
| Distance from cutter corner to cutter tip | 0.07 mm | |
| Number of teeth | 2 | |
| Twist direction | right-hand | |
| Helix angle, min. | 30 degrees | |
| Angle, 1st step | 130 degrees | |
| Point geometry | A | |
| Product designation (type) | N | |
| Tool material | solid carbide | |
| Machining group | K (cast iron); P (steel); S (difficult-to-machine materials) | |
| Cutting media, manufacturer’s designation | VHM TIALN | |
| Coating | TiAlN | |
| Interface | joint 1 | |
| Gauge length | 5.5 mm | |
| Usable length | 3 mm | |
| Overall length | 38 mm | |
| Functional length | 37.93 mm | |
| Max. speed | 100,000 min-1 | |
| Cutting direction | right-hand cutting | |
| Tool version | solid carbide | |
| Standard | Werksnorm | |
| Data carriers | without data carrier | |
| Machining method | drilling into solid material | |
| Colour ring | without | |
| Machining strategy | HPC | |
| Type of product | indexable drill | |
| Content | single part |
Identification & Classification
| Article number | 391816 | |
| Catalog number | 121220 | |
| EAN / GTIN | 4045197263896 | |
| Manufacturer number | 121220 0,3 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
200
N
140
N
140
P
70
P
70
P
70
P
55
P
35
H
25
M
35
M
30
S
20
K
90
N
140
Description
Version:
High performance miniature drill with extra long flutes.
Shank ⌀ 3 h6 for shrink-fit chucks.
High concentricity, precision ground for HPC applications in steel.
Shank ⌀ 3 h6 for shrink-fit chucks.
High concentricity, precision ground for HPC applications in steel.
Note:
Flute length LC = L2 + 1.5 × DC.