rqdc005

Diamond Core Drill bit 1. Diameter: 6-200mm 2. Working for hard materials: concrete, reinforce concrete... good quality Diamond Core Drill Bit 1. Diameter: 6-200 available. 2. Diamond carbide of laser welded and sintered brazed.3. Wet & Dry drilling. 4. Working for hard materials: concrete, reinforce concrete, stone, brick walls and so on. 5. Work fast and precisely&long life. 6. Make special ...