Product description for drilling in reinforced concrete, masonry, and lime sandstone with Ø 132 mm boreholes and a usable length of 400 mm with a thread connection G 1/2" (standard). Application advantages: Space Welding - cold welding process based on the latest connection technology. Utilization of the entire diamond segment without loss due to neutral zone. PRISMACUT - four drilling lenses on the diamond segment improve the drilling behavior and simultaneously ensure optimal water cooling. Exact roundness reduces wear. Very cutting-friendly for safe entry in freehand operation. Area of application: For drilling in reinforced concrete, masonry, and lime sandstone with Ø 132 mm boreholes and a usable length of 400 mm with a thread connection G 1/2" (standard).