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Manufacturer number:
Solid carbide HPC drill, plain shank DIN 6535 HB, TiAlN, ⌀ DC h7: 3,8mm
Article no.: 123302 3,8
Article code:
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Weldon shank DIN 6535 HB
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- Tool material: Solid carbide
- Standard: Manufacturer’s standard
- Version: 12×D
- Tolerance nominal ⌀: h7
- Number of cutting edges Z: 2
Product details
Technical Data
| Nominal ⌀ DC | 3.8 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | Manufacturer’s standard | |
| Version | 12×D | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 2 | |
| Point angle | 135 degrees | |
| recommended maximum drilling depth L2 | 58.3 mm | |
| Shank | DIN 6535 HB to h6 | |
| Through-coolant | yes, with 25 bar | |
| Machining strategy | HPC | |
| Pilot drill required | yes, pilot drill | |
| Semi-Standard | yes | |
| Flute length Lc | 64 mm | |
| Overall length L | 102 mm | |
| Shank ⌀ Ds | 6 mm | |
| Shank tolerance | h6 | |
| Feed f in steel < 1100 N/mm2 | 0.1 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 123302 3,8 | |
| EAN / GTIN | 4045197459107 | |
| Manufacturer number | 123302 3,8 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
180
N
140
P
110
P
90
P
80
P
50
P
35
M
40
M
35
K
70
Description
Version:
Cutting chisel edge with high centring accuracy due to strong core and special point geometry.
Particularly high alignment accuracy due to 4 guide chamfers which stabilise the drill even at extreme depths!
Convex cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.
Particularly high alignment accuracy due to 4 guide chamfers which stabilise the drill even at extreme depths!
Convex cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.
Advantage:
High process reliability and surface quality of the hole.