Diameter 5-14mm Hexagon Shank Vacuum Brazed Diamond Dry Drill Bits Hole Saw Hole Cutter

Item

Dry Drilling Core Bits 

Total Length

68mm,80mm

Diamond Height

10mm

Shank Type

Hex Shank

Diamond Grit

#35/40

Application

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

Feature

1.Wax inside for cooling, Dry drilling without water
2.Very high efficiency, multi-purpose drilling
3.Long life drilling