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Manufacturer number:
Cat. Nr.:
Solid carbide HPC drill, plain shank DIN 6535 HB, TiAlN, ⌀ DC m6 (⌀ DC X = h7): 4,4mm
Article no.: 122661 4,4
Article code:
- Tool material: Solid carbide
- Standard: DIN 6537 L
- Version: 6×D
- Tolerance nominal ⌀: m6
- Number of cutting edges Z: 2
Product details
Technical Data
| Nominal ⌀ DC | 4.4 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | DIN 6537 L | |
| Version | 6×D | |
| Tolerance nominal ⌀ | m6 | |
| Number of cutting edges Z | 2 | |
| Point angle | 140 degrees | |
| recommended maximum drilling depth L2 | 29.4 mm | |
| Shank | DIN 6535 HB to h6 | |
| Through-coolant | yes, with 25 bar | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 36 mm | |
| Overall length L | 74 mm | |
| Shank ⌀ Ds | 6 mm | |
| Shank tolerance | h6 | |
| Feed f in stainless steel > 900 N/mm2 | 0.08 mm/rev. | |
| Colour ring | blue | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 122661 4,4 | |
| EAN / GTIN | 4045197457325 | |
| Manufacturer number | 122661 4,4 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
170
P
140
P
130
P
110
P
70
M
90
M
80
K
95
Description
Version:
Cutting chisel edge with high centring accuracy due to strong core and special point geometry. High roundness and alignment accuracy of the deep hole, thanks to 4 guide chamfers. Outstanding chip evacuation due to 4 internal cooling channels from ⌀ 3.8 mm. Up to 3.7 mm ⌀ with 2 internal cooling channels. Straight major cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.
Attention:
Sizes ending with X = cutter ⌀ tolerance h7.
Note:
Flute length LC = L2 + 1.5 × DC.