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Diamond core drill
bits with crown shape continuous rim segments for drilling stone
ceramic concrete, common uses would be small projects such as
drilling out sink holes for faucets.
The unique design with crown type can effectively improve the
sharpness, also, the slots allow good discharge removal and get
better cooling.
Welding method: silver welded.
Suitable for stand drilling machines or electrical hand-held drillers or CNC machines.
Dry or wet use(water
coolant is much better for drilling performance and working life).
Long steel pipe is available, pipe side
diamond vacuum brazed is also available.
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