10Pcs/set 3-14MM Diamond Coated Core Hole Saw Drill Bit Set Tools - intl

• Description:
• New assorted 3mm to 18mm Diamond coated hole saw / drill bits (total: 10 pcs)
• 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
• Total 10 different sizes

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