Specification Brand : KURSTOL BulletPoint1 : 【Package Includes】4 pcs dry diamond drill bits +1 pc Positioning Drill Bits: 1/4"(6mm), 5/16"(8mm), 3/8"(10mm), 1/2"(12mm)+1pc 1/4"(6mm) Carbide Drill.Total Length 65mm,Diamond height 8mm,Diamond Grit #50/60,Quick Change Shank BulletPoint2 : 【Wax Inserted】Each dry diamond bit is embedded with wax that will melt during dry drilling to cool the cutting surface; Water can act as additional cooling to prolong the worklife of bit. BulletPoint3 : 【Vacuum Brazing Technology】Processed by vacuum brazing technology, which garantees long service life and cost-value; High-quality diamond particles contribute to high efficiency and faster drilling speed. BulletPoint4 : 【Multiple Application】Dry drilling for Granite, Tile, Ceramic, Marble, Stone, Glass, Porcelain, Masonry, etc.The carbide bit(Positioning Drill Bit) is used to provide accurate positioning for diamond bit, not for drilling; BulletPoint5 : 【High Compatibility】They can be used with hand drills, bench drills and electric drill. Notice: If using Hammer Drill,please shut off Hammer Mode,Recommended 2000-5000 RPM,MAX 5000 RPM.The fadter the better. BulletPoint6 : Wet Use with Water for Cooling Drills Through Quartz, Granite, Porcelain, Ceramics, Tiles, Glass Color : Quick Change Shank CompatibleMaterial : Aluminum CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 035781000796 ExternallyAssignedProductIdentifier2 : 0035781000796 ExternallyAssignedProductIdentifier3 : 00035781000796 FinishType : Silver IncludedComponents : No ItemName : Porcelain Tile Diamond Drill Bits - KURSTOL Dry Diamond Hole Saw Set 6/8/10/12mm+6mm Carbide Drill for Ceramic Marble Granite Stone,Carbide Positioning Drill Quick Change Shank Fixed on Drills ItemPackageDimensions_Height : 13.2 centimeters ItemPackageDimensions_Length : 1.7 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 5 ItemShape : Round ItemTypeKeyword : hole-saw-sets Manufacturer : KURSTOL Material : Diamond ModelNumber : E0212167 NumberOfItems : 1 PackageLevel : unit PartNumber : K2135L10 Pattern : Drill Bit Size - 3/8" ProductDescription : Our diamond tools are suitable for those Professionals or DIY enthusiasts,like the Builders,Tilers,Carpenters,Tinker,Roofers,Architects etc. When renovating your kitchen or bathroom walls or fastening mirrors in bathroom or installing shower, you will need to drill holes on mirrors or tiles without cracking them, hence you will need to use these small Dry Diamond Drill Bits to make those holes very precise They're your best choice and gifts. Package includes: 4 pieces dry diamond drill bits+1pieces Positioning Drill Bits: 1/4 inch(6mm).Total Length 65mm,Diamond height 8mm,Diamond Grit #50/60,Triangle Shank Application: For drilling tile/ceramic, granite & marble, masonry, glass..... Features: 1. The use of vacuum brazing technology improves the product quality, saves cost and has high cost performance; 2. The round handle design of the handle has a wide range of application and can be compatible with all kinds of electric hand drills; 3. The wax in the hole drill is cooled and there is no water for dry drilling; When drilling, the wax will melt to lubricate and cool the drilling surface; 4. There is a spiral groove on the top of the drill bit, which helps to improve the drilling efficiency and ensure smooth chip removal; 5. 8mm high emery at the top of the bit, compact diamond arrangement, faster drilling and longer service life; 6. The cutting resistance is small, the drilling is stable and it is not easy to collapse; 7. Can be used dry or wet. PLEASE PAY ATTENTION : 1.If using Hammer Drill,please shut off Hammer Mode; 2.When use Angle Grinder,please install angle grinder drill chuck; 3.Recommended 2000-5000RPM,MAX RPM 5000 ProductSiteLaunchDate : 2023-07-24T06:44:30.572Z Size : K8 Style : Compact SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Glass,Porcelain,Stone,Wood SurfaceRecommendation1 : Stone SurfaceRecommendation2 : Tile SurfaceRecommendation3 : Cer SurfaceRecommendation4 : Masonry UnitCount : 6