BGTEC 1/2/5pcs Diamond Drill Bits Diameter 6mm Drilling Crowns Tile Porcelain Ceramic Marble Hole Saw M14 Thread Hole Opener

Item: BGTEC Diamond Drill Bits Core Drilling Crowns

Quantity: 1/2/5pcs

Connection: M14 thread

Specification:

Diameter: 6mm;Total Length 60mm; Diamond height 10mm;Grit: #35/40

Application: Dry drilling porcelain tile, granite, marble, stone,etc...

Feature: 

1.Wax inside to cool the drill when working ,faster and safer drilling.

2.Less Chipping,minimize breakage,less heat generation,better finish quality .

3.High quality,longer service life.