AGR provide all kind of Diamond Tools, including Diamond Coring Machine, Diamond Core Bit and Diamond Saw Blade. The range of Diamond Core Bit varies from Diameter 25mm till 300mm. It's special 3-parts design which includes Coupling, Body Tube and Crown to provide customers the most economic way as the coupling and body tube can be re-used uring coring work. We provide special design machine coupling to make sure it can be easily to fit onto the different Diamond Coring Machine from Japan or US. AGR provide high quality Diamond Saw Blade which are commonly used in Construction site to cut the slot on the brick wall or Concrete floor, we also provide special Diamond Saw Blade for Ceremic Tile and Granite. We guarantee the faster , smooth cutting and longer lifetime.