Concrete Drill Bit 2 Cutters SDS+ D 30 x L 460 mm Twister Plus

The new insert offers a "Z" geometry centering tip that increases its aggressiveness, amplifies the chiseling effect and provides great precision when starting drilling. Wave profile with 3 efficient support points that channel the percussion forces into the drilling axis and increase speed, destructive power and precision. The new helix offers a double cutting: half-round and square. SDS-plus compatible attachment D.10 mm. New TRI-ZONE Helix: Extraction zone, the patented profile combines a compression corridor with a decompression chamber to expel fine dust towards the hole outlet. Dust volume acceleration zone towards the rear. Very rapid release zone, suitable for a large volume of dust. Ideal for drilling concrete, stone, solid brick and concrete blocks.