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EAN / GTIN:
Manufacturer number:
HOLEX Pro Steel solid carbide drill, plain shank DIN 6535 HA 8 mm
Article no.: 123303 8
Article code:
- Tool material: Solid carbide
- Standard: Manufacturer’s standard
- Version: 12×D
- Tolerance nominal ⌀: h7
- Number of cutting edges Z: 2
Product details
Technical Data
| Series | Pro Steel | |
| Nominal ⌀ DC | 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 | 96 mm | |
| Shank | DIN 6535 HA to h6 | |
| Through-coolant | yes, with 25 bar | |
| Machining strategy | HPC | |
| Semi-Standard | yes | |
| Flute length Lc | 108 mm | |
| Overall length L | 146 mm | |
| Shank ⌀ Ds | 8 mm | |
| Feed f in steel < 900 N/mm2 | 0.16 mm/rev. | |
| Colour ring | green | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 123303 8 | |
| EAN / GTIN | 4045197961136 | |
| Manufacturer number | 123303 8 |
Application Table
N
250
N
200
N
160
P
125
P
115
P
95
P
90
P
65
M
35
M
30
K
100
K
65
Description
Version:
Straight major cutting edges and a special flute profile ensure good chip evacuation. The robust cutter geometry ensures high-performance drilling with good process reliability. A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant coating.
Note:
Flute length LC = L2 + 1.5 × DC.
For process reliability when using the 12×D drill, an initial centre drilling with NC spotting drills No. 121068 - 121130 or HOLEX Pro Steel No. 122501 is necessary.
HB and HE shanks are available at the same price as HA.
For HB shanks: use order no. 123304.
For HE shanks: use order no. 123309.
For process reliability when using the 12×D drill, an initial centre drilling with NC spotting drills No. 121068 - 121130 or HOLEX Pro Steel No. 122501 is necessary.
HB and HE shanks are available at the same price as HA.
For HB shanks: use order no. 123304.
For HE shanks: use order no. 123309.
Downloads & documents
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|
| Semi-Standard | yes | yes | yes | yes | yes |
| Overall length L | 146 | 146 | 146 | 146 | 146 |
| Through-coolant | yes, with 25 bar | yes, with 25 bar | yes, with 25 bar | yes, with 25 bar | yes, to 25 bar |
| Nominal ⌀ DC | 8 | 8 | 8 | 8 | 8 |
| Shank | DIN 6535 HA to h6 | DIN 6535 HA to h6 | DIN 6535 HA to h6 | DIN 6535 HA to h6 | DIN 6535 HA to h6 |
| Tolerance nominal ⌀ | h7 | m6 | h7 | h7 | h7 |
| recommended maximum drilling depth L2 | 96 | 96 | 96 | 96 | 96 |