Diameter: 12.0 mm, for soldering, brazing and Leimhölzer, chipboard, core board, Hartfaser- and plastic-coated board, Kunststoffe. high-performance drill bit with high service life due to precision-sharpened Cut accurate drilling through the two guarantee Zentrierspitze. Umfangschneiden dimensionally accurate and shatterproof Bohrungen. Usage: for soldering, brazing and Leimhölzer, chipboard, core board, Hartfaser- and plastic-coated boards, plastics.