| Ø D | 21,00 mm |
| L | 243 mm |
| l | 145 mm |
| Weight | 0,600 kg |
| Helix Angle | λ = 25°÷30° |
| Point angle | ε = 128° |
Material
HSS Co - super high-speed steel (5%Co) |
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. |
| Manufacturing Mode | F - milled |
| Surface Treatment | without treatment |
| Grinding Mode | N - conical lip relief |
| MORSE | 2 |
| Note | PROFI tools |
Attachment:
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