Specification Brand : QUEFORET BulletPoint1 : 【Specifications】: 12pcs. Connection: triangle shank. 11pcs Diamond bits: 1/4”, 5/16”, 3/8”, 4/5”, 1”, 1-1/8”, 1-1/4”, 1-3/8”,1-3/4”, 2”, 2-1/2” (6/8/10/20/25/28/32/35/45/50/65mm), Diameter of shank: 10mm; Carbide bit: 1/4”(6mm), Diameter of shank: 5mm BulletPoint10 : springs for hole saws from 1-3/4-to-6-inches BulletPoint2 : 【Application】: Suitable for ceramic porcelain tile, marble and granite, etc. The carbide bit can work as a positioner before drilling and drill holes BulletPoint3 : 【Good Heat Dissipation】: Diamond bits of 6-10mm have wax inside the body which will melt when the bits heat up, thus bringing away extra heat. Drill bits of 20-65mm have chip holes on the body, which are good for cooling and clearance of dust. Therefore, the drill bits set is an excellent choice for dry drilling BulletPoint4 : 【Good Customer Experience】: Using high quality diamond particles, thus increasing drilling speed; Triangle shank can be held tightly by the machine, permitting stable drilling; Vacuum brazing technology extends their life span, making them long-lasting BulletPoint5 : 【Attention】: Suitable for hand drills and bench drills, etc. Higher speed is beneficial to longer lifetime. Impact pattern of the machines is NOT supported. These tools are neatly set in a case, convenient to store and carry BulletPoint6 : Set Includes: (10) hole saws: 3/4-inch, 7/8-inch, 1-1/8-inch, 1-3/8-inch, 1-1/2-inch, 1-3/4-inch, 2-inch, 2-1/8-inch, 2-1/2-inch, 3-inch; BulletPoint7 : 3-3/8-inch Cobalt pilot bit; BulletPoint8 : (7) adapters 1-1/4-inch–6-inch; BulletPoint9 : (3) adapters 9/16-to-1-3/16-inch; 3/8-inch mandrel; Color : Blue CompatibleMaterial : Stone CustomerPackageType : Standard Packaging CuttingAngleString : 45 degrees ExternallyAssignedProductIdentifier1 : 759039778618 ExternallyAssignedProductIdentifier2 : 0759039778618 ExternallyAssignedProductIdentifier3 : 00000346371116 FinishType : Diamond IncludedComponents : no ItemName : QUEFORET Diamond Drill Bits Set 12pcs - 11pcs 6/8/10/20/25/28/32/35/45/50/65mm Dry Hole Saw, 1pc 6mm Carbide Drill for Ceramic Porcelain Tile Marble Granite, Triangle Shank ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 25 centimeters ItemPackageDimensions_Width : 20.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-sets Manufacturer : QUEFORET Material : Diamond Material1 : Carbide Material2 : Diamond ModelNumber : TENGYU221101337 NumberOfItems : 12 PackageLevel : unit PartNumber : Q2-B202405Q103 ProductDescription : Specification: Shank Type:Round Shank Overall Length: 65mm Material: Carbide drill bit Drilling Depth: ≤30mm Wide range of usages: Our ceramic diamond core drill adopts vacuum brazing technology, filled with cooling wax, suitable for dry drilling, so the drill can cut harder materials at higher temperatures. It is very suitable for drilling clean holes in similar materials such as glass, ceramic tile, marble, granite, quartz stone, vitrified tile, etc. (not suitable for cement, metal, tempered glass, wood, plastic,etc) When decorating kitchen or bathroom walls or fixing mirrors or installing showers in bathrooms, if need to drill holes in mirrors or tiles without cracking them, please use these diamond drills to make these holes very accurate Steps to drill clean and precise holes: 1. Place the drill at a 45 degree angle, so the drill has the chance to start and will prevent the drill slipping 2. Slowly move the drill bit into a more up-right position and Continue to drill and swaying the machine along a circle 3.You don't need to apply too much pressure to let the drill finish the work. Once the drilling is completed, you will feel the drill break through the back of glass or ceramic tile 4. Be careful when using, because if you use it too fast, it may burn a little glaze and burn out Use Tip When using a cordless screwdriver, ensure the speed is above 1600 RPM. When using a hand-held drill, make sure the speed is above 2000-3000 RPM. Package includes ➤1/2 inch(12mm)*1,3/8 inch (10mm)*1,5/16 inch (8mm)*1,3/16 inch (5mm)*1,1/4 inch(6mm)*2. and 6mm carbide drill bits*1 ➤1 x Storage case ProductSiteLaunchDate : 2024-03-21T06:13:59.537Z Size : Set 3 Style : Compact SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Ceramic,Glass,Porcelain,Stone