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Manufacturer number:
GARANT Master Steel FEED solid carbide drill, plain shank DIN 6535 HA, TiAlN, ⌀ DC h7: 20mm
Article no.: 123235 20
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Article code:
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Plain shank DIN 6535 HA
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- Tool material: Solid carbide
- Standard: Manufacturer’s standard
- Version: 12×D
- Tolerance nominal ⌀: h7
- Number of cutting edges Z: 3
Product details
Technical Data
| Series | Master Steel | |
| Nominal ⌀ DC | 20 mm | |
| Coating | TiAlN | |
| Tool material | Solid carbide | |
| Standard | Manufacturer’s standard | |
| Version | 12×D | |
| Tolerance nominal ⌀ | h7 | |
| Number of cutting edges Z | 3 | |
| Point angle | 140 degrees | |
| recommended maximum drilling depth L2 | 228 mm | |
| Shank | DIN 6535 HA to h6 | |
| Through-coolant | yes, to 25 bar | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 258 mm | |
| Overall length L | 310 mm | |
| Shank ⌀ Ds | 20 mm | |
| Feed f in steel < 1100 N/mm2 | 0.69 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification & Classification
| Article number |
123235 20
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|
| EAN / GTIN |
4045197841339
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|
| Manufacturer number |
123235 20
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|
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
suitable for / [m/min]
P
ISO code:
120
suitable for / [m/min]
P
ISO code:
110
suitable for / [m/min]
P
ISO code:
100
suitable for / [m/min]
P
ISO code:
90
suitable for / [m/min]
P
ISO code:
70
suitable for / [m/min]
H
ISO code:
60
suitable for / [m/min]
M
ISO code:
55
suitable for / [m/min]
M
ISO code:
50
suitable for / [m/min]
S
ISO code:
40
suitable for / [m/min]
K
ISO code:
120
suitable for / [m/min]
K
ISO code:
80
suitable for / [m/min]
suitable for / [m/min]
suitable for / [m/min]
Description
Version:
3-flute drill, specially developed for use at very high feed rates. Outstandingly suitable for machines with high installed power and stable operating conditions.
The sector-leading technology of the drill point guarantees optimum self-centring behaviour. 3 guide chamfers guarantee a stable exit from the hole and an exact roundness of the hole.
- Special cutter geometry with stable cutting edges and large clearance at the centre enables very high feed rates.
- The patented tip is optimised for chip flow and generates low cutting pressure with good chip breakage.
The sector-leading technology of the drill point guarantees optimum self-centring behaviour. 3 guide chamfers guarantee a stable exit from the hole and an exact roundness of the hole.
Note:
Flute length LC = L2 + 1.5 × DC.
For process reliability when using the 12×D drill, an initial centre drilling with an NC spotting drill No. 121130 with 155° point angle is necessary.
For process reliability when using the 12×D drill, an initial centre drilling with an NC spotting drill No. 121130 with 155° point angle is necessary.