Designed for both light and heavy duty drilling, our premium quality laser welded diamond segments provide the best drilling speeds and maximum performance. The Shark Tooth Core Bits is developed with a softer bond for a fast, aggressive cut and long life. The serrated design grips straight into the substrate reducing deviation from point of contact. For reinforced concrete, exposed aggregate and precast concrete, the core bit is available in a range of diameters from 45mm to 610mm and features a 1 1/4" UNC fitting. SPECIFICATIONS:Reinforced ConcreteSTANDARD DRILL DEPTH: 430mmSEGMENT TYPE: Shark Tooth Segments/CrownsFITTING: 1 1/4" UNC