In a nutshell
The right choise for
With the Fein vario 6.8 mm twist drill bit, you drill precise core holes for M8 thread tapping in metal, steel, aluminium, and brass with complete accuracy. Engineered from hss and featuring a heat-resistant TiAlN coating, this drill bit minimizes friction and resists wear even during heavy-duty operations up to 800 °C. The external hexagon shank designed for the Fein vario system provides slip-free torque transfer and enables fast tool changes in your impact driver or drill driver. With a flute length of 50 mm and an overall length of 90 mm, it delivers outstanding durability and steady performance for demanding metal fabrication tasks.