Specification Brand : BRSCHNITT BulletPoint1 : ✔Size --5pcs 5/6/8/10/12MM diamond height 10mm, total length 80mm,hex shank diamond core drill bit BulletPoint2 : ✔Wide Applications --Diamond core bits are worked great for dry drilling holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry, concrete, glass, hard plastic with ease. Using water could prolong the lifetime BulletPoint3 : ✔Super Quality Raw Material --Using vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the performance and lifetime.Constructed with high grade diamond grit for effortless cutting and improved durability in tough applications.High-quality core steel body helps to be more efficient and durable, not easy to deform BulletPoint4 : ✔High Performance --Wax inside the drill bit helpful for Cooling and Lubrication,can be used without water to increase life BulletPoint5 : ✔Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck Color : Blue CompatibleMaterial : Soft Wood CompatibleMaterial1 : Glass CompatibleMaterial2 : Porcelain CompatibleMaterial3 : Ceramic CompatibleMaterial4 : Marble CompatibleMaterial5 : Porcelain CustomerPackageType : Standard Packaging CuttingAngleString : 90.0 degrees ExternallyAssignedProductIdentifier1 : 602835319120 ExternallyAssignedProductIdentifier2 : 0602835319120 ExternallyAssignedProductIdentifier3 : 0091044252722 ExternallyAssignedProductIdentifier4 : 00091044252722 FinishType : Diamond IncludedComponents : 1" to 2-1/8"(25-54mm) Hole Saw, Mandrels Drill Bit and Hex key ItemDisplayWeight : 1.4 pounds ItemName : Diamond Drill Bit 1/5 1/4 5/16 3/8 1/2 inch - BRSCHNITT 1/4 inch Masonry Drill Bits Set for Porcelain Tile Ceramic Stone Granite Marble,Hex Shank Diamond Hole Saw Drill Bit(6pcs/pack) ItemPackageDimensions_Height : 80 millimeters ItemPackageDimensions_Length : 17 millimeters ItemPackageDimensions_Width : 17 millimeters ItemPackageQuantity : 6 ItemTypeKeyword : hole-saw-sets Manufacturer : BRSCHNITT Material : Carbon Steel Material1 : Diamond Material2 : High Speed Steel ModelName : CZHS13P ModelNumber : Diamond Hole Saws 38mm NumberOfItems : 6 PackageLevel : unit PartNumber : BDB59906401R203 ProductDescription : Durable and Useful High quality heat-treated carbon steel make sure a longer service life,and strong enough for cutting soft wood, thin PVC panel and thin plywood,but not for metal and hard wood. Simple to assemble and use. Precision and Clean Holes Sharp enhanced geometry teeth give a clean and fast cut of high precision through wood, PVC and plastic.Easy to switch different cutting sizes Anti-rust Oil and Black coating surface Anti-rust oil and Black coating on the surface to protect the hole saw from natural oxidation. Notice: Please wear protective goggles and gloves when using the hole saw kit. Adapted Machines: Electric drill, Impact drill, Bench drill etc. It's recommend using machines with Drilling speed: RPM≤1200, which can prolong its service life. Please let it to drill down naturally when using it. Do not force it to be pressed. Contents: 5 x Hole Saws: 1"(25mm),1-1/4" (32mm), 1-1/2" (38mm), 1-3/4'(44mm), 2-1/8" (54mm) 1 x 1/4" Mandrel,1 x Hex Key ProductSiteLaunchDate : 2023-10-25T08:27:30.271Z Size : 5/6/8/10/12mm+6mm Style : Compact SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation1 : Stone SurfaceRecommendation2 : Tile SurfaceRecommendation3 : Cer SurfaceRecommendation4 : Masonry UnitCount : 8