Diamond Drill Bit Set,10 Pieces Diamond Hole Saw, Glass Hole Saw for Tiles Glass, Ceramic, Porcelain, Marble, Bottles, DIY,6mm - 30mm
- ... three-claw/round shank ordinary bench drill, hand electric drill or rechargeable drill(not included), as long as the tool chuck can be adjusted to 6-10MM are available. Note: Not suitable for electric hammer, electric pick electric grinding pen.Water is required for lubrication when drilling, otherwise the diamond coring drill will burn. WARNING: Not for use with concrete or depths greater than approximately 1/2"..
- 10 sizes:No markings for size on the item.There are 10 different sizes (6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 30 mm), different sizes to meet your different needs and help you in different places..