PRODUCT NAME: DT-DIATOOL Vacuum Brazed Hexagon Shank Drill core bits 

SPECIFICATION: 

Diameter 20mm,25mm,28mm,32mm,35mm

diamond height: 10mm; Total length 65mm, Diamond Height 10mm,Grit#40/45

Connection Hexagon Shank (Very important for fixing to your machine)

QUANTITY: 1pcs,2pcs

Application:

Wide application for drilling tile ceramic granite marble stone....

FEATURE:

1.Hexagonal Shank Design] Clamping is more stable, drilling is smoother

2.High diamond exposure rate provides a faster and more aggressive drilling

3.Less Chipping, Minimizing breakage, less heat generation, better finish quality

4.Vacuum Brazed technology provide much longer working life