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KR DA sharp diamond glass sintered integral drill
drill;diamond sintered core drill bits;drills and bit
Description:1.made of stainless steel
2.the material of the edge of the drill bit is diamond.
3.high quality and durable
4.can drill 200-300 holes on the glass
5.can be made according to the customers
we also supply many other types of glass tools with high quality and favorable price.
KR DA sharp diamond glass sintered integral drill