Specification Brand : ZKH BulletPoint1 : Tip: 0.394 (10mm) in refers to the Diamond material portion, not the white portion. BulletPoint2 : 【Lengthening Design】: Each diamond drill bits for ceramic adopting lengthened diamond sand, most of which are 0.35in in the market; the diamond sand of ZKH diamond drill is 0.394in, which makes the service life of the ceramic tile drill bits longer. BulletPoint3 : 【8 Pcs Tile Drill Bits Set】: 2pcs 3/16"(5mm) , 2pcs 1/4"(6mm), 2pcs 5/16"(8mm), 1pcs 3/8"(10mm), 1pcs1/2"(12mm), diamond Ceramic drill bit can meet different drilling requirements. BulletPoint4 : 【Dry Drilling Design】: Wax lubricant is integrated inside each diamond drill bit ; it melts and cools the tip of the porcelain drill bits, preventing diamond loss and allowing the diamond bits for drill to cool after each drill. BulletPoint5 : 【Precise Design & Clean Drilling】:Round shank, compatible with most popular electric drills, angle grinders and bench drills; Special side cutting edge design for faster debris removal; Dry diamond core drill bit set with vacuum brazed diamond technology for clean holes in tile, porcelain, granite, ceramic. BulletPoint6 : 【Easy to Carry and Use】: The tile drill bit comes with a separate storage case that prevents loss and prevents friction and wear between glass Drill Bit. It also makes the masonry drill bits easy to use and store. Color : Multi-colour CompatibleMaterial1 : Porcelain CompatibleMaterial2 : Marble ExternallyAssignedProductIdentifier1 : 0769464806626 ExternallyAssignedProductIdentifier2 : 769464806626 ExternallyAssignedProductIdentifier3 : 00000346430042 ExternallyAssignedProductIdentifier4 : 00000346000016 FinishType : Finish GpsrSafetyAttestation : 1 IncludedComponents : Diamond Drill Bits*8pcs with separate storage case ItemName : ZKH Dry Diamond Drill Bits Set,8 Pcs Tile Drill Bits for Porcelain Ceramic Marble Stone Glass Granite,Integrated Coolant for Fast Dry Drilling,3/16 1/4 5/16 3/8 1/2in,Separate Storage Case Round Shank ItemPackageDimensions_Height : 8.001 centimeters ItemPackageDimensions_Length : 3.9116 centimeters ItemPackageDimensions_Width : 7.6962 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : core-drill-bits Manufacturer : ZKH Material : Diamond Material1 : Diamond Material2 : Tungsten Carbide ModelNumber : ZAD-008 NumberOfFlutes : 2 NumberOfItems : 8 NumberOfPieces : 8 PackageLevel : unit PartNumber : ZAD-008 ProductDescription : 8 Pcs Diamond Drill Bits Set Material: Diamond Size: 3/16" x 2pcs, 1/4" x 2pcs, 5/16" x 2pcs, 3/8", 1/2" Shank: Round For Material: Porcelain Ceramic Marble Stone Glass Granite ProductSiteLaunchDate : 2024-07-14T07:00:00.000Z Size : 3-3/8" diameter StreetDate : 2017-04-04T00:00:01Z Style : 1-3/8" depth SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Ceramic SurfaceRecommendation1 : Brick SurfaceRecommendation2 : Masonry UnitCount : 8 UnspscCode : 27111700