| Ø D | 7,25 mm |
| L | 109 mm |
| l | 69 mm |
| Weight | 0,025 kg |
| Helix Angle | λ = 25°÷30° |
| Point angle | ε = 128° |
Material
HSSCo – super high-speed steel, Alloyed 5% Co (HSSE) |
Usage
High-efficient drills with the higher thermal stress resistance are recommended for drilling of parts made of hard-to-machine 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 | V – ground from solid |
| Surface Treatment | bronzoxid |
Grinding Mode
Form C – conical lip relief, split point |
| Note | |
2907 Ti - katalogový list
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