4PCS 60-120mm Diamond Hole Cut Tile Ceramic Glass Marble Drill Bit Tool Set

Features:
- and high quality.
- Easy to use, high quality,good performance, long life.
- Can be used with a standard electric drill.
- Always use lubrication (water), otherwise the diamond core drill will burn.
- Suitable for use in drill hole on glass, marble, tile or granite and so on.

Use Tips:
1. Please add water for coolant and drill slowly.
2. Start drill at 45 Degree to surface and align to 90 Degree as hole forms.
3. Never use drills while machine is in hammer action.

Specification:
Model:Diamond Coated Core Drill Bit
Outside diameter:60/80/100/120 mm, 2.36/3.15/3.94/4.72 inch

Packing Include:
4 x Diamond Coated Hole Drill Bits







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