| Ø D | 3,45 mm |
| L | 70 mm |
| l | 39 mm |
| Weight | 0,0034 kg |
| Helix Angle | λ = 25°÷30° |
| Point angle | ε = 118° |
| Material | HSS – high-speed steel |
| Manufacturing Mode | T – rollforged or extruded |
Usage
Drills are recommended for usual 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 etc. |
Surface Treatment
black oxide coated or steam tempered |
| Grinding Mode | Form N – conical lip relief |
| Note | STANDARD tools |
Attachment:
221121 - katalogový list
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