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Þrepabor HSS – 4-30 mm.
kr. 18.990
10 mm. leggur
HSS Step Drill
- For exact, burr-free drilling and reaming of sheets and profiles up to max. 4 mm material thickness
- Outstanding cutting geometry and extremely smooth running characteristics for enhanced surface quality and a smooth transition between drill steps
- 80 % reduction in radial forces for faster drilling and reduced wear
- Special relief and relief angle prevent the cutters from
breaking out and seizing
- With 2 cutters, fixed centring tip
- Step length: 4 mm
- Drill bit diameter lasered into the groove
- Shaft with 3 phases prevents slipping in the drill chuck
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