Specification Brand : BeQell BulletPoint1 : 【High Quality Raw Material】Our glass hole saw with Positioning pilot bit is made of high-quality diamond, solid hardened steel body, and the surface is designed with nickel-plated coating, ensuring its high hardness, rust proof, anti-corrosion, sturdy and durable. BulletPoint2 : 【Accurate Positioning Pilot bit Design】Each tile hole saw is designed with a detachable Positioning pilot drill bit, and the cutter head of the pilot drill bit is also designed with diamond coating, which makes it sharper and more durable, and efficiently fixes the drilling position of the hole saw to cutting holes quickly.No need to spend time making extra jig guides. BulletPoint3 : 【Size】Cutting Dia.:11/16Inch(18mm), Cutting Depth: 1-3/8Inch(35mm), Total length: 2-3/4Inch (70mm),Triangular Shank Dia. : 3/8Inch(9.5mm). BulletPoint4 : 【Sharp & Clean Holes】This diamond Tile Core drill bits with thicker diamond coating make the edge of the groove sharper, can cutting precise flat bottom holes with no chipping on smooth surfaces, such as ceramic tiles, ceramics, glass, marble, granite and terrazzo. (Cutting depth up to 1-3/16Inch) BulletPoint5 : 【Easy to Use】The operation is simple, without the need for other special guide tools. Use the tile hole saw installed with the positioning drill bit to position the hole, remove the positioning drill bit after positioning, and then directly cutting the hole with the tile hole saw. Note: During the cutting process, remember to add water or coolant to extend the life of the diamond hole saw. Color : Silver ExternallyAssignedProductIdentifier : 9303750616950 FinishType : Nickel ItemName : BeQell 11/16 Inch Diamond Hole Saw with Center Drill Bit, Diamond Tipped Hole Saw Bit with Pilot Bit for Glass Porcelain Tile Ceramic Marble Granite Countertop Quartz Gemstone (18mm) ItemPackageDimensions_Height : 70 millimeters ItemPackageDimensions_Length : 18 millimeters ItemPackageDimensions_Width : 18 millimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : BeQell Material1 : Diamond Material2 : Alloy Steel NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : 18mm ProductDescription : Specification: Total Lenght: 70mm ( 2.75 inch) Drill Depth: 40mm((1.57 inch) Hex Shank Diameter: 18mm ( 0.7 inch) Warm Tips: Please add water as coolant and drill slowly. ProductSiteLaunchDate : 2023-08-25T05:30:51.635Z Size : 11/16"(18mm) Style : Compact SurfaceRecommendation : Tile UnitCount : 1 UnspscCode : 27112800