Specification Brand : BRSCHNITT BulletPoint1 : ✔Size Diamond drill bit-1/4" 5/16" 3/8" 1" 1-1/4" 1-3/8" 1-2/3" 2"(6 8 10 20 25 32 35 43 50mm)diamond height 10mm, total length 65mm,with Triangle Shank 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 --Special design of spiral groove at the top of bit helps for chip removal,Wax inside the drill bit helpful for Cooling and Lubrication BulletPoint5 : ✔Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck ExternallyAssignedProductIdentifier1 : 791180055408 ExternallyAssignedProductIdentifier2 : 0791180055408 FinishType : Diamond ItemName : Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling, 9pcs Diamond Drill Bits with Triangle Shank(6 8 10 20 25 32 35 43 50mm). ItemPackageDimensions_Height : 24.7 centimeters ItemPackageDimensions_Length : 12.9 centimeters ItemPackageDimensions_Width : 23.3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saw-sets Manufacturer : BRSCHNITT Material : Diamond ModelNumber : BDB54909405R101 NumberOfItems : 1 PartNumber : BDB54909405R101 ProductDescription : 1. When you are building/remodeling a bathroom or kitchen like installing shower or install the faucet and handles in bathroom, you will need to drill holes through Porcelain tiles without cracking, so you could use our diamond tip drill bit to make those holes very precise 2. This tile hole cutter adds wax lubricant inside. During drilling, the wax will melt to cool the cutting surface, add additional water can prolong the working life of the bit and to remove the debris during the drilling process. 3. For a better finish and longer duration of the porcelain tile drill bit,you could start on a slight angle at its lowest speed for better control, then with light pressure carefully work through the tile 4. The average life of the tile hole saw depends on several factors,including the type of material, its thickness/hardness ,proper cooling and use 5. This is the ideal diamond drill bit for rock, DIY ,ceramic workers, construction workers, general contractors and tradesmen 6. Quality Creates Better Life. All our products are subjected to strict quality tests. We want all the products can be recognized for their quality and durability. 7. Package: Silver aluminum box, easy to store, recyclable