BRSCHNITT Diamond Core Drill Bit Set - Tile Hole Saw Kit for Porcelain Ceramic Marble Granite Drilling withM14 Thread（6/6/8/20/25/35/50/68/110&20 finger bit&50 chamfer bit）.

• ✔Size Diamond drill bit -(6/6/8/20/25/35/50/68/110mm）diamond height 10mm, total length 65mm
• ✔Size --1pc 4/5"(20mm), 50mm workable length, M14 Thread, Grit #50/60, toal Length 65mm
• ✔Size Diamond chamfer bit :2 Inch (50mm), 46mm workable length, M14 Thread, Grit #80, total Length 55mm,Top Angle 60 degree
• ✔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

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