Product description
- Extremely robust and aggressive full carbide bit head, 4 cutting eges for extraordinary service life and tool life in strong concrete
- The wear marking on both sides of the main plate serves as indicator to evaluate the dimensional conformance of the dowel holes.
- The 4-spiral helical geometry ensures low-vibration drilling behaviour and low spiral wear
- 90° centering point for precise spot drilling and little breakage at the edge of the drilled hole
- Ideal for use in reinforced concrete and hard natural stone