Item: Vaccum Brazed Diamond Drilling Bits Dry Quick-Change for Granite Marble

Quantity: 1pc or 2pcs

Specification: 

Diameter 20/25mm, Diamond length 10mm, Total length 65mm;

Drilling Depth: 30mm, Grit #40/45, Quick-fit Shank,

Application: 

For drilling granite,marble,masonry,concrete,tile,ceramic, hard plastic.....

Feature:       

1. High quality Diamond Grain #40/45,high efficiency, fast and smooth drilling.                                           

2. "U" shaped groove design helps to remove debris and improve drilling efficiency.                                            

3. Vacuum Brazed technology provide much longer working life.

4. Universal quick connect shank for compatibility with a wide range of machines.