M14 Diamond Core Drill Bits Set For Ceramic Tile Granite Marble
- Designed for the drilling of ceramic tiles, especially porcelain tiles, marble and granite
- Fits on most angle grinder or power drill
- Usage：dry working
- Connect: M14 Europe thread
- Diamond length: 10 mm
- 20/25/35/55/68mm diamond core drill bit
- 1 Pc M14 Male Thread to 3/8″ Hexagon Shank Adpter
- 1 Pc Diamond Finger bit
- Place the drill at a 45 degree angle.
- Drilling till the hole start to form.
- Bring the drill up into upright position.
- Continue to drill and swaying the machine along a circle.