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Solid carbide HPC micro-drill, TiAlN, ⌀ DC +0.004: 1,2mm
Article no.: 121220 1,2
Article code:
- Tool material: Solid carbide
- Standard: Manufacturer’s standard
- Type: N
- Tolerance nominal ⌀: 0 / 0.004
- Number of cutting edges Z: 2
Product details
Technical Data
| Nominal ⌀ DC | 1.2 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | Manufacturer’s standard | |
| Type | N | |
| Tolerance nominal ⌀ | 0 / 0.004 | |
| Number of cutting edges Z | 2 | |
| Point angle | 130 degrees | |
| recommended maximum drilling depth L2 | 8.7 mm | |
| Shank | Parallel shank to h6 | |
| Through-coolant | no | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 10.5 mm | |
| Overall length L | 38 mm | |
| Shank ⌀ Ds | 3 mm | |
| Shank tolerance | h6 | |
| Feed f in steel < 1100 N/mm2 | 0.03 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 121220 1,2 | |
| EAN / GTIN | 4045197264398 | |
| Manufacturer number | 121220 1,2 | |
| Manufacturer | 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.