The DX High Speed Dry diamond core drill bit with a 1.1/4 inch UNC thread mount is designed for dry drilling. With a maximum usable length of 330 mm, this diamond core drill can create holes with a diameter of 127 mm. The innovative 3D diamond matrix ensures even use of the entire diamond segment and extends the lifespan of the core bit. Dry drilling generates less mess and allows for more efficient work, even in locations without a water supply. The twisted core bit reduces wear and is very cutting-friendly. Additional technical specifications: Segment width: 2 mm, Number of segments: 7, Segment height: 10 mm, Asphalt: No, Concrete: Yes, Drilling range for concrete: 305 mm, Drilling range for masonry: 305 mm, Screed: Yes, Tiles: No, Thread mount: Standard, Granite: Yes, Sand-lime brick: Yes, Brick: Yes, Marble: Yes, Masonry: Yes, Segment dimensions: 250 x 2 x 10 mm, Heavily reinforced concrete: Yes.