| Ø D | 6,80 mm |
| L | 109 mm |
| l | 69 mm |
| Weight | 0,020 kg |
| Helix Angle | λ = 25°÷30° |
| Point angle | ε = 118° |
| Material | HSS - high-speed steel |
| Manufacturing Mode | V - ground from solid |
Usage
Efficient drills are recommended for drilling of parts made of unalloyed steel or alloyed steel, cast steel up to 900 N/mm2, grey-, malleable- or nodular cast iron, sintered steel, Al-alloys with discontinuous chip, bronze. |
| Surface Treatment | without treatment |
| Grinding Mode | N - conical lip relief |
| Note | PROFI tools |
2914 - katalogový list
Řezné podmínky
|
