1-3/8" Diameter Diamond Core drill bit for drilling granite,
stone and tile.
Great product for drilling granite countertops
for fixtures and running pipe thru Tile walls.
Pilot Centering starter bit with hex lock.
Comes on a 3/8" shank
Great for use on a cordless drill.
High diamond concentration for harder materials.
Finer grit diamond for a smooth finish.
Must be used Wet. Special Buy