Aohhy 70mm Diamond Hole Saw with Pilot Bit, Professional Vacuum Brazed Diamond Drill Bit for Tile, Porcelain, Glass, Marble, Ceramic
Product description
- Use Instructions Aim the guide bit at the center and keep drilling vertically, when a round slot is drilled you can remove the pilot bit and continue drilling. Recommend 500-800 RPM and use water to keep it cooling for last long.
- Easy to Cut a Precise Hole With pilot bit design, Avoids the hassle of slipping on smooth surface and makes drilling holes in tiles easy and precise.
- Fast and Efficiently Thicken and uniform diamond coated and Special U-groove tooth make diamond hole saws sharpness and fast chips removal, which is provide a efficiently and smoothly drilling.
- Durability Vacuum brazed technology make the diamond grits particles well attach to the core steel and it will wear resistant and not fall off during drilling, thereby extending its service life.
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