الوصف

China Made Titanium Coated Cross Tip Glass Drill Bit, Drill Bit For Glass.

A core bit for tile, porcelain, hard stone, granite, marble, brick and concrete counter tops. 
Fast Cutting. Works great on all hand drills.
If you need to drill through tile, marble or any lapidary and have a drill, this is the product.
Comes with cooling holes.
Use water with spray bottle to keep hole saws cool while extending drilling life.
Hole Saw with built-in arbor.Available in different size.