DIATOOL Dia45mm Vacuum brazed diamond drilling bits for granite& marble, M14 connection dry or wet drilling, Free-shipping

Application:Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...

Wet drilling will help to extend working life

Feature:1.Fast and Smooth drilling

2.Long lifetime

3.Less Chipping

4.Minimizing any breakage

5.Less loss of material

6.Less heat generation

7.Better finish quality

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