| Ø D | 8,50 mm |
| L | 165 mm |
| l | 109 mm |
| Weight | 0,049 kg |
| Helix Angle | λ = 25°÷30° |
| Point angle | ε = 128° |
Material
HSS Co - super high-speed steel (5%Co) (HSSE) |
| Manufacturing Mode | V - ground from solid |
Usage
Efficient drills are recommended for deep-hole 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,tough brass. |
Surface Treatment
black oxide coated or steam tempered |
| Grinding Mode | N - conical lip relief |
| Note | PROFI tools |
Attachment:
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