Specification Brand : DT-DIATOOL BulletPoint1 : Diameter 25mm, 5/8"-11 Thread. Diamond height of drill bit: 5mm, grit #35/40; Diamond height of finger bit: 30mm, grit #70/80. Total length: 60mm; Workable length: 35mm. BulletPoint2 : Drilling, cleaning, enlarging and shaping the holes of porcelain tile, ceramic tile, marble, artificial stone. Dry or wet use. Wet use can prolong the work life. BulletPoint3 : Applicable machine: 5/8" arbor grinder. Recommend RPM: 6000. Maximum RPM: 11000. Please buy an adapter like sds or hex adapter if you need to install this drill bit on the hand drill. Don't use the hammer mode. BulletPoint4 : Save money tool. Just use one core bit, you can drill holes and round out corners or edges and inside holes. BulletPoint5 : Vacuum brazed technology.Longer life than electroplated diamond tools. Diamond are firmly brazed on the matrix. High quality steel and diamond, stable work and higher efficiency. Color : Multi ExternallyAssignedProductIdentifier1 : 791180060204 ExternallyAssignedProductIdentifier2 : 0791180060204 ExternallyAssignedProductIdentifier3 : 00045242315604 FinishType : Uncoated GpsrSafetyAttestation : 1 IncludedComponents : Core Drill Bit IncludedComponents1 : 2-3/4" X 12" SDS MAX ONE PC CORE BIT IncludedComponents2 : 2-3/4" X 12" SDS MAX ONE PC CORE BIT IncludedComponents3 : 2-3/4" X 12" SDS MAX ONE PC CORE BIT IncludedComponents4 : 2-3/4" X 12" SDS MAX ONE PC CORE BIT IncludedComponents5 : 2-3/4" X 12" SDS MAX ONE PC CORE BIT ItemDisplayDimensions_Height : 3.3 inches ItemDisplayDimensions_Length : 12.5 inches ItemDisplayDimensions_Width : 3.3 inches ItemDisplayWeight : 2.5 pounds ItemName : DT-DIATOOL Diamond Core Drill Bit 1 Inch with Diamond Milling/Finger Bit for Drilling Enlarging Holes of Porcelain Tile Marble Artificial Stone Granite Quartz ItemPackageDimensions_Height : 2.59 inches ItemPackageDimensions_Length : 1.18 inches ItemPackageDimensions_Width : 1.18 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : core-drill-bits Manufacturer : DT-DIATOOL Material : Diamond Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend ModelName : DW5918 ModelNumber : 791180060204 NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 1 PackageLevel : unit PartNumber : DT97602558 Pattern : Solid PowerSourceType : ac ProductDescription : For use with a 5/8”-11 threaded core bit. Note: Picture or Paint may not match but quality is the same! ProductSiteLaunchDate : 2023-05-06T08:37:58.155Z Size : 1" (25mm) Style : Centering Bit SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SurfaceRecommendation : Ceramic,Porcelain,Stone SurfaceRecommendation1 : Metal SurfaceRecommendation2 : Concrete SurfaceRecommendation3 : Masonry UnitCount : 1 UnspscCode : 27112800