50mm to 500mm Diamond Construction Core Drill Bit

Product Description
    Core drill bit are produced to drill dimensionally accurate bore holes in these materials,reinforced concrete,asphalt,masonry,natural and artificial stone.Widely used in the building,heating,sanitary and electrical industries.
    Feature:
    *High diamond concentration,fast drilling rate,easy cutting and long service life.
    *Pre-sharpened diamond segments provide immediate usability.