1. Using high-quality diamond powder plating
2. Multi-layer sanding process to ensure product quality and durability
3. Open holes neat, smooth, no broken edge, will not produce tremor phenomenon
4. Incision resistance is small, opening speed, chip removal easily
5. Can be used for glass, ceramics, marble and other hard and brittle materials drilling
6. This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic, concrete or other
7. Materials and only needs water for lubrication.
8. Can be used with a standard electric drill.
9. Cuts perfectly round holes without chipping or breaking the material
10. Start your hole diagonally, make a round trace and then hold drill straight.
Production process: Plating
Product Type: 3mm / 5mm / 6mm / 8mm / 10mm / 12mm / 14mm / 16mm / 18mm / 20mm
Applicable industry: deep processing of glass
10 x Diamond Tool Drill Bit