SHDIATOOL 4pcs/set Dry Diamond Drill Bits for Porcelain Granite M14 Thread

We have 15 sets for you,please see the picture above Available diameter: 20mm,25mm,28mm,30mm,32mm,35mm,38mm,40mm,43mm,45mm,50mm,55mm,60mm,65mm,68mm,70mm,75mm,80mm,90mm,100mm,110mm,115mm,125mm,130mm,150mm; Specification: M14 connection, Total height 60MM, Diamond height 15MM Color: Golden Application:  Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...                      Feature:  1.Less Chipping, Minimizing breakage, less heat generation, Better finish quality2.Vacuum Brazed technology provides longer working life, Fast and smooth drilling3.High diamond exposure rate provides a faster and more aggressive drilling4. Vacuum Brazed technology provide much longer working life than electroplated ones (Generally 3-5times),Save your money and time....5.Having less loss of material