Specification :

Diamond roof core bit diamond segments are brazed on steel core tube, to drill marble, granite, concrete, reinforced concrete, and asphalt. This kinds segment makes fast drilling and no chipping. Generally, the thickness of this kind segment is better to above 4mm.
Diameter: 76-500mm
Delivery time: Around 15days

We, Johnson Tools Manufactory Co., Ltd is professional manufacturer of diamond tools which used in stone and construction industries, such as marble, granite, sandstone, limestone, basalt, grit stone, concrete, reinforced concrete and asphalt, etc.) In China, we have eleven years successful exporting experience and 100 percent of our products are exported to worldwide ( Euro, UK, Germany, Sweden, Italy, Spain, Portug, Czech, USA, South Africa, Ghana, Egypt, Australia, Yemen, Iran, PK, India, etc.) .

More information about our company, please visit our website: http: / / www.diatoolscn.com.