- F4 Forte is a high efficiency SDS-plus hammer drill bit with 2 tungsten carbide cutting edges, patented 4X stepped thread profile
- very efficient, low wear and very long service life thanks to high-strength tungsten-carbide tip
- for heavy duty hammer drilling in concrete, natural stone, bricks and granite
- size Ø 4,00 mm
- overall length (l1) 110 mm
- thread length (l2) 50 mm
