BRSCHNITT Diamond Dry Drill Bit 1/2/5pcs Dia 6/8/10/12/14mm Drilling Ceramic Marble Granite Vacuum Brazed Hex Shank Core Bit

Item: Vaccum Brazed Diamond Dry Drilling Bits for Marble Granite....

Quantity:  1pc or 2pcs or 5pcs

Specification: 

Diameter 6mm,Diamond height 10mm,Total length 68mm

Diameter 8/10/12/14mm,Diamond height 10mm,Total length 80mm

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;