Diamond Drill Bits for Glass Ceramic Tile Porcelain Hole Maker Saw Cutting Set

Features:
--100% brand new and high quality.
--Can be used with a standard electric drill.
--Always use lubrication (water), otherwise the diamond core drill will burn.
--Materials and only needs water for lubrication.
--This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.
Material: Steel

Use note:
Start your hole diagonally, make a round trace and then hold drill straight.

Package includes:
Diamond Holes Saw Drill Bits