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Manufacturer number:
Solid carbide NC spotting drill 90° spiral flutes, TiAlN, ⌀ DC h6: 4mm
Article no.: 121040 4
Article code:
- Tool material: Solid carbide
- Standard: Manufacturer’s standard
- Tolerance nominal ⌀: h6
- Point angle: 90
- Shank: DIN 6535 HA to h6
Product details
Technical Data
| Shank tolerance | h6 | |
| Nominal ⌀ DC | 4 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | Manufacturer’s standard | |
| Tolerance nominal ⌀ | h6 | |
| Point angle | 90 degrees | |
| Shank | DIN 6535 HA to h6 | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| Flute length Lc | 10 mm | |
| Overall length L | 40 mm | |
| Shank ⌀ Ds | 4 mm | |
| Feed f in steel < 1100 N/mm2 | 0.03 mm/rev. | |
| Colour ring | without | |
| Type of product | Spotting drill |
Identification & Classification
| Article number | 121040 4 | |
| EAN / GTIN | 4045197038531 | |
| Manufacturer number | 121040 4 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
260
N
240
N
200
P
90
P
80
P
65
P
55
M
35
M
30
S
40
K
90
N
200
Description
Version:
Exactly central ground point. Easy spot drilling and high shape accuracy of the centre hole. Sturdy due to short flutes.
≥ ⌀ 6 mm with HB drive flat.
≥ ⌀ 6 mm with HB drive flat.
Application:
Point angle 90° for spot drilling and countersinking in one operation when a drill of smaller ⌀ is used afterwards.
Note:
Use the speed for the actual hole ⌀ (not generally the speed for the drill outer ⌀).