BRSCHNITT 5pcs 4/5 Inch Diamond Hole Saw Drill Bit - Hex Shank Dry Drilling for Porcelain, Ceramic, Stone, Granite, Marble

• ✔Size -4/5"(20mm), diamond height 8mm, total length 65mm,quick-fit 6.5mm,diamond grit #50/60 of diamond core drill bit
• ✔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
• ✔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
• ✔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
• ✔Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck

Features: 1. When you are building/renovating a bathroom or kitchen like installing shower or installing the faucet and handles in the bathroom, you will need to drill holes through the porcelain tiles without cracking, so you can use our diamond drill bit to make these holes very precise 2. For a better finish and longer life of the porcelain tile drill bit, you can start on a slight angle at its lowest speed for better control, then with light pressure work carefully through the tile 3. The average life of the tile hole saw depends on several factors including the type of material, its thickness/hardness, whether it is properly cooled, and its use. 4. Package: Comes in a square plastic box. 5. This is the ideal diamond drill bit for stone, DIY, ceramic workers, construction workers, general contractors, and craftsmen 6. Quality creates a better life. All our products undergo strict quality testing. We want all products to be recognized for their quality and durability.