OD20-68mm Vacuum brazed diamond core drilling bits for ceramic M14 plastic box set
 
Decription:
 
* Vacuum Brazed technology, the diamond particles are firmly welded to the base body, diamond never fall off
* Dry or wet use
* Less Chipping, minimizing breakage, less heat generation, Better finish quality
* Fast and Smooth drilling, long lifetime
* Application for drilling and reaming tile ceramic granite marble stone masonry, brick, etc.

• We can do Customized logo lasering and size lasering by ourself.
• The Hex shaft makes these perfect for use in a battery drill driver.
• Can comfortably drill 45 or more holes in the hardest grade 5 porcelain.
• Allow the drill and the rotation to cut the hole.
• Never use the hammer action it will destroy the diamond tip.
• Use at around 1500-3000 rpm.

 
 
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