Specification AgeRangeDescription : Kid Brand : cenyb BulletPoint1 : Dimension:Cutting Dia: 13/16" | 21mm;Shank Dia: 10mm | 3/8" ;Hole Saw Depth : 35mm | 1-3/8";Hex Shank: 10mm | 3/8" BulletPoint2 : Product Features:The diamond hole cutter is made from high-hardness industrial-grade carbon steel. A high-quality diamond coating improves sharpness and cutting speed, while a center-positioning drill bit enhances cutting accuracy. The combination of these features results in smooth, fast, and precise cuts BulletPoint3 : Precision and Efficiency: This diamond core drill bit comes with a denser diamond coating and more acute fluted edges. It has the ability to bore out precise flat-bottomed holes on smooth materials like tiles, ceramics, glass, marble, and granite, and it does so without causing any chipping or damage BulletPoint4 : User - Friendly: Start by using the tile hole saw that has a positioning drill bit attached for the purpose of positioning the hole. Once the positioning is done, take out the positioning drill bit. During the drilling process, it is necessary to continuously add water. Then, use the tile hole saw directly to cut the hole BulletPoint5 : Package: Each hole saw has two removable pilot drills (1 diamond-tipped pilot drill, 1 center pilot drill) and a hex wrench BulletPoint6 : 【Note】After each cut, it is essential to promptly remove the debris inside the hole saw before proceeding to the next use Color : Silver CompatibleMaterial : Perfect for Porcelain Tiles, Glass,ceramic,marble,granite,light Stone,fiberglass,etc CompatibleMaterial1 : Engineered Wood CompatibleMaterial2 : Aluminum CompatibleMaterial3 : Wood CompatibleMaterial4 : Alloy Steel CustomerPackageType : Standard Packaging EducationalObjective : Stem ExternallyAssignedProductIdentifier1 : 745679818777 ExternallyAssignedProductIdentifier2 : 0745679818777 ExternallyAssignedProductIdentifier3 : 00049659118704 ExternallyAssignedProductIdentifier4 : 0743153241424 ExternallyAssignedProductIdentifier5 : 00743153241424 FinishType : Nickel GpsrSafetyAttestation : 1 IncludedComponents : 1xDiamond hole saw & 2xPilot bits ItemDisplayWeight : 14 pounds ItemName : 13/16inch | 21mm Diamond Hole Saw with Center Drill bit and Diamond-Coated Center Drill bit for Ceramic Glass Marble Fiberglass Granite and Porcelain Tiles by CENYB ItemPackageDimensions_Height : 12 centimeters ItemPackageDimensions_Length : 3.3 centimeters ItemPackageDimensions_Width : 3.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : cenyb Material : HHD90 Diamond Brazing Material1 : Stainless Steel Material2 : Metal ModelNumber : DHS01021 NumberOfItems : 1 NumberOfTeeth : 6 OperationMode : Manual PackageLevel : unit PartNumber : DHS01021 PowerSourceType : Hand-powered ProductDescription : 13/16inch | 21mm Diamond hole saw with center drill bit and diamond-coated center drill bit for ceramic glass marble fiberglass granite and porcelain tiles by CENYB ProductSiteLaunchDate : 2024-06-30T03:25:29.580Z Size : 21mm | 13/16inch Style : 21mm | 13/16inch SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Alloy Steel TargetGender : unisex UnitCount : 1 UnspscCode : 27110000 Voltage : 120 volts Wattage : 1320 watts