Alpen 18801200100 12,0mm Tungsten carbide concrete drill bits Profi-Beton Go to amazon.com Related posts 10 best tungsten carbide drill bit for 2022 FeatureHigh performance drill bitsHighly accurate centeringStable DescriptionRange of application: High efficiency Profi Beton drill for percussion and heavy-duty hammer drilling of natural stone, concrete, brick and for rotary drilling of marble.