- Brand NameJohnson tools
- Supply TypeManufacturer
- Preferred Buyer Location All over the world
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
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