10Pcs Diamond Coated Core Hole Saw Bit Set Tool 5/6/8/10/12mm
- 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.
- Always use lubrication (water), otherwise the diamond core drill will burn.
- Start your hole diagonally, make a round trace and then hold drill straight.
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