68mm Laser welded dry diamond core drill bits for concrete and stone

Application: Engineering construction, wall, concrete, reinforced concrete, granite, asphalt
* Industry leading technology that provides consistently high performance in the widest range of  heavily reinforced concrete.
* Superior cutting speed and long life in a variety of applications.
* Drilling stable with small wobbling.
* Laser welded up to 7".
* Sharp "roof top" segments and "flat top" segments standard on 2" to 7" diameter.