Diamond Holesaw Drill Bit

Diamond Holesaw Drill Bit 
Material: Diamond
Shank: 6.35mm Hexagon Shank
Diamond Length: 10mm
With cooling wax

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

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

Attention:
When using a brazed diamond hole saw, the speed of the electric tool should not be lower than 2000 rpm/min, The faster the speed, the better the effect. The hole saw should not be pressed down very hard, otherwise, it is easy to damage the hole saw.