| Ø D | 7,8 mm |
| L | 156 mm |
| l | 75 mm |
| Helix Angle | λ = 25°÷30° |
| Point angle | ε = 128° |
Material
HSS Co - super high-speed steel (5%Co) |
| Manufacturing Mode | F - milled |
Usage
High-efficient drills with the higher thermal stress resistance are recommended for drilling of parts made of hard-tomachine materials, alloyed steel and cast steel, especially for drilling of cold- or hot-work tool steel, rolls for rolling mills, heat-treatable or carburizing steel, stainless steel. |
| Surface Treatment | without treatment |
| Grinding Mode | N - conical lip relief |
| MORSE | 1 |
| Note | PROFI tools |
Attachment:
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