100% brand new and high quality
Material: Metal and Diamond
Suitable for use in drill hole on glass, marble, tile or granite
This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication
Can be used with a standard electric drill (Not Included)
Always use lubrication (water ), otherwise the diamond core drill will burn
Start your hole diagonally, make a round trace and then hold drill straight
Diamond Tip Drill bits are designed to cut through glass. A high speed drill is prefered. Allows you to cut through drains and outlet into your fish tank.