BRSCHNITT Diamond Drill Bits 5pcs/set Core Bits Hex Quick-Fit Shank+6mm Positioning Hole Opener Drilling Granite Marble Masonry

Item:Vaccum Brazed Diamond Dry Drilling bits for Masonry Ceramic....

Specification: 

* 4pcs Drimond Core Bits:

  Diameter 6mm,Diamond height 8mm;

  Total length 65mm;Quick-Fit Shank;Grit #50/60

* Cross Hole Opener:

   Segment material:Hard alloy;

  Diameter 6mm,Segment height 10mm,Total length 77mm.

Application:

1.Used for drilling granite, marble, masonry, concrete, tile/ceramic and other materials;

2.Fit with electric hand drill.

Feature:  

1.Cooling Wax,keeps the bits cool and lubricated, dry drilling without water;

2.High-quality Diamond Grains, fast and Smooth drilling，provides a better finish;