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Series | Pro Steel | |
Nominal ⌀ DC | 7,8 mm | |
Coating | TiAlN | |
Tool material | Solid carbide | |
Standard | DIN 6537 K | |
Version | 4×D | |
Tolerance nominal ⌀ | h7 | |
Number of cutting edges Z | 2 | |
Point angle | 140 degrees | |
recommended maximum drilling depth L2 | 29,3 mm | |
Shank | DIN 6535 HA to h6 | |
Through-coolant | yes, with 25 bar | |
Machining strategy | HPC | |
Semi-Standard | yes | |
Flute length Lc | 41 mm | |
Overall length L | 79 mm | |
Shank ⌀ Ds | 8 mm | |
Feed f in steel < 900 N/mm2 | 0,18 mm/rev. | |
Colour ring | green | |
Type of product | Jobber drill |
Article number | 122504 7,8 | |
EAN / GTIN | 4045197826114 | |
Manufacturer number | 122504 7,8 |
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![]() ![]() HOLEX Pro Steel solid carbide drill, plain shank DIN 6535 HA 7,8
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Colour ring | green | green | red |
Standard | DIN 6537 K | DIN 6537 K | DIN 6537 K |
Shank | DIN 6535 HA to h6 | DIN 6535 HA to h6 | DIN 6535 HA to h6 |
Tool material | Solid carbide | Solid carbide | Solid carbide |
Tolerance nominal ⌀ | h7 | h7 | h7 |
Shank ⌀ Ds | 8 mm | 8 mm | 8 mm |
Type of product | Jobber drill | Jobber drill | Jobber drill |