| Ø D | 21,829 mm |
| ØD | 55/64 inch. |
| L | 9 3/4 inch. |
| l | 5 7/8 inch. |
| Weight | 0,416 kg |
| Helix Angle | λ = 27°÷32° |
| Point angle | ε = 118° |
| Material | HSS - high-speed steel |
| Manufacturing Mode | F - milled |
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
black oxide coated or steam tempered |
Grinding Mode
A - conical lip relief, split point - form A |
| MORSE | 2 |
| Note | PROFI tools |
Attachment:
|
