NBB Diamond Core Drill Bit Diamond hole saw with M14 Diamond Crown Professionally for Wet and Dry Drilling in Hard Porcelain Ceramic Tile Granite Marble Tile for Angular Grinder (1, 35mm)

• 1pc of Dia.35mm NBB VB professional quality diamond drill bit with M14 connection, easily connects to an angle grinder. Standard connection in Europe and the UK
• Easy operation, suitable for both DRY and WET drilling, can work under any condition. The ideal tools are within your reach. You can also achieve the same great results as a master!
• Reasonable size designed after thousands of test experiences. For 20-110 mm, approximately 90 mm total length with 65 mm drilling depth. Meets the vast majority of work needs.
• Excellent operational experience, low vibration, minimal noise. With the smaller diamond grain, vibration and noise are greatly reduced. USE IT ONCE, LOVE IT FOR LIFE. Extremely high work efficiency, a new generation of diamond technology allows you to drill through HARD CERAMIC, TILE, GRANITE, MARBLE in JUST SECONDS...
• Durable and stable drilling lifespan, an NBB VB drill bit for dry drilling dozens of holes in HARD PORCELAIN, with a lifespan much longer than galvanized bits. With the finer diamond grain, drilling becomes easier and more comfortable. SAVING you money. You can drill much more efficiently when wet.

NBB vacuum brazed (VB) diamond drills are professionally produced for dry or wet drilling on all types of ceramics, porcelain, tiles, granite, marble, stoneware and other hard materials. With VB technology, the diamond drill bit can be drilled dry or wet on hard porcelain and stones with higher efficiency and longer service life. NBB diamond drill bits with M14 thread connection can be used directly on a grinder. Recommended RPM for use will be from 11,000 to 14,000 RPM. The average life of the drill bits always depends on the type of material, its thickness and the correct cooling and use. Drilling depth can be approximately 65 mm NBB VB diamond drill bits can be used to drill holes needed for water inlets, drains, light spots, etc. NBB VB diamond drill bits (dia. 6-18mm) have special cold wax inside to ensure proper dry drilling and stable performance. NBB VB diamond drill bits (dia. 20-150mm) have a side opening that improves the cooling of the drill bit and facilitates the removal of solid waste after each drill. To make the drill bits last longer, follow the correct instructions in the method of use. 1. Do not use the hammer mode of the machine. 2. Before doing a new drilling, we must make sure that the drill bit is properly installed in the machine, firmly without vibration. 3. The drill bit must be clean and free from any blockage. 4. When drilling, only little pressure is needed in the horizontal direction. The weight pressure of the machine will be sufficient in the vertical direction).