10pcs Diamond Drill Bit Set 6mm to 30mm Diamond Tools Hole Saw Cutter for Glass

Dimension:

6mm / 0.23 ", 8mm / 0.31", 10mm / 0.39 ", 12mm / 0.47", 14mm / 0.55 ", 16mm / 0.62", 18mm / 0.7 ", 20mm / 0.78", 22mm / 0.86 ", 30mm / 1.17"
Quantity: 10pcs

- This diamond core drill bit removes a complete circle made of glass, tiles, marble, granite, ceramic or other material and only needs water for lubrication.

- Can be used with a standard electric drill (not included).

- Easy to use, high quality, good performance, long life.

- Excellent for making the hole clean and precise on glass, tiles and marble.

- Always use lubricant (water), otherwise the diamond core drilling machine will burn.

- Start the hole diagonally, make a round trace and then keep straight drill Specification.