Features • Premium Carbon Steel Construction: Crafted from carbon steel with a diamond coating, this tool excels in cutting porcelain, glass, marble, ceramic, rock, and granite • Enhanced Thickened Blade Design: The thickened blade and brazed design ensure clean, precise holes, making it ideal for various tile and stone applications • Extended Service Life: Enjoy superior performance and durability with this drill bit, engineered for a longer lifespan compared to standard models • Superior Fine Workmanship: Featuring a non-slip triangular shank, this diamond drill bit offers high wear resistance for fast, efficient drilling in any material • Exceptional Cutting Performance: Achieve high accuracy and smooth, glazed finishes, ensuring professional results every time with this reliable cutting tool Features: 1、Carbon Steel + Diamond Coating: Made of carbon steel with diamond coating, for porcelain, glass, marble, ceramic, rock and granite, etc. 2、Thickened Blade: Thickened blade, brazed design, , very suitable for drilling clean and accurate holes and cutting out circle 3、Longer Service Life: Longer service life, superior performance, and better durability than other ordinary diamond hole saws 4、Fine Workmanship: Diamond drill bit is highly wear resistant, fast and efficient, with non slip triangular shank, and fine workmanship 5、Good Performance: This is diamond bit with good performance, achieving high accuracy and glazed cutting Specification: Item Type: Diamond Hole Saw Material: Carbon Steel + Diamond Coating Drilling Hole Depth: Approx. 35mm / 1.38in Shank: Triangular Shank Package List: 1 x Diamond Drill Bit 1 x Storage Box Note: Start drilling at 45 degree angle and drill the hole vertically when cutting the meniscate shaped edge to prevent the hole saw from slipping. Never let your drill dry out, keep moist and cool with water. Package List 1 x Diamond Drill Bit 1 x Storage Box