Descriptionlength : 5/6/8/10/12mmis_customized : YesUse : Masonry DrillingMaterial : DiamondModel Number : Vaccum Brazed Diamond Dry Drill BitsDIY Supplies : TilingType : Core Drill BitBrand Name : Origin : Mainland ChinaCertification : NONEAttributes1 : Vaccum Brazed Diamond Dry Drill BitsAttributes2 : Hole Saw Cutter for GraniteAttributes3 : Marble Ceramic Tile Glass Drill BitAttributes4 : Drill Bit For Cutting Porcelain Granite TileAttributes5 : Woodworking Drill BitAttributes6 : Woodworking Drilling ToolAttributes7 : Woodworking ToolsAttributes8 : Glass Ceramics Marble Drilling ToolsSpecification:Hole dirll size: 5/6/8/10/12mmMaterial: DiamondShank: 6.35mm Hexagon ShankDiamond Length: 10mmWith cooling waxApplication:For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic.....Feature:Wax inside for cooling, Dry drilling without water.Very high efficiency, multi-purpose drilling.Long life drilling.Attention:When using brazed diamond hole saw, the speed of the electric tool should not be lower than 2000 rpm/min, The faster the speed, the better the effect.the hole saw should not be pressed down very hard, otherwise it is easy to damage the hole saw.Package Included:1 x Drill BitNote:Please allow minor error due to manual measurement.The colors may be a little difference for the different monitor display.