Hole Saws Cutters 70mm Diamond Drill Bit Brazed Core Hole Saw Cutter for Glass/Tile/Granite/Marble/Porcelain

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  • These Diamond Hole Cutter made of high quality steel with diamond coating hole saw drill bit that is durable and have a long sevice life, Good Performance.Red paints on the body of this bit to avoid getting rusty.
  • Brazed marble hole saw Start drilling at a 45-degree angle, and drill vertically when the crescent-shaped edge is cut to avoid the hole saw from slipping.Opening neat, smooth, no broken edges, no tremor phenomenon, chip Easily.Excellent for making clean and accurate hole on glass and tile.
  • Brazing hole opener is necessary to continuously add water for cooling, dry drilling is strictly prohibited, high temperature friction occurs, causing serious wear and affecting the use effect
  • This diamond coated core drill bit Suitable for all kinds of stone, vitrified tiles, porcelain, glass, marble, ceramic, rock and granite etc.
  • Precautions The hole opener is used on a hand electric drill. Since this hole opener does not have a center positioning drill bit, operate carefully and pay attention to safety. Note that the speed should not be too fast, it must be slow and needs water for lubrication

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