Product description: For drilling in reinforced concrete, masonry, and lime-sandstone with a diameter of 152 mm and a usable length of 430 mm with a thread connection of 1 1/4" UNC (standard). Application advantages: Space Welding: Cold welding process based on the latest connection technology. Utilization of the entire diamond segment without loss due to a neutral zone. PRISMACUT: Four drilling lenses on the diamond segment improve the drilling behavior and ensure optimal water cooling. Exact roundness reduces wear. Very cutting-friendly for safe cutting in freehand operation. Area of application: For drilling in reinforced concrete, masonry, and lime-sandstone with a diameter of 152 mm and a usable length of 430 mm with a thread connection of 1 1/4" UNC (standard).