Item:YAKTOOLS 1/2/3pcs Diamond Drill Bits 20/25/35/50mm Spring Core Bits

 for Porcelain Ceramic Granite Marble Hole Saw M14 Thread

Available diameter:

20/25/35/50MM

Specification:

M14 connection, Total height 60MM, Diamond height 10MM

Color: Golden

Application: 

Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...                     

Feature: 

1.Less Chipping, Minimizing breakage, less heat generation, Better finish quality
2.Vacuum Brazed technology provides longer working life, Fast and smooth drilling 
3.High diamond exposure rate provides a faster and more aggressive drilling
4. Vacuum Brazed technology provide much longer working life than electroplated ones (Generally 3-5times),

Save your money and time....
5.Having less loss of material