1.Very high diamond concentration gives maximum footage and drilling speed in all types of drilling applications. 2. sintered process allow bits to cut without water and ensured a longer life. 3.Using water to cool down the bit is highly recommended to extend their lives. 4.Suitable for core drilling of reinforced concrete, brick wall core drilling, air conditioning installation, drilling of pipelines, road signs, highways and other outdoor projects. 5.Ideal for both professional contractors and DIY users. |