| Ø D | 3,90 mm |
| L | 119 mm |
| l | 78 mm |
| Weight | 0,0080 kg |
| Helix Angle | λ = 35°÷40° |
| Point angle | ε = 128° |
Material
HSSCo -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 modular cast iron, sintered steel, Al-alloys with discontinuous chip, bronze, tough brass. |
Surface Treatment
black oxide coated or steam tempered |
| Grinding Mode | Form N - conical lip relief |
| Note | PROFI tools |
Attachment:
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