| Ø D | 4,2 mm |
| L | 55 mm |
| l | 14 mm |
| Weight | 0,0055 kg |
| Helix Angle | λ = 25°÷30° |
| Point angle | ε = 118° |
| Material | HSS - high-speed steel |
| Manufacturing Mode | V - ground from solid |
Usage
Short, double-end drills with short helix and self-centering cutting edge are recommended for drilling of thin-walled materials, especially the sheet. These drills are applied for riveting and body (carosserie) building. |
| Surface Treatment | without treatment |
Grinding Mode
C - conical lip relief, split point - form C |
| Note | PROFI tools |
Attachment:
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