Diamond Core Drill Bit Set BRSCHNITT Diamond Hole Saw for Porcelain Tile Ceramic Marble Granite Drilling with 5/8-11 Thread(6/8/25/35/50/65 Drill bits,10-25mm Finger bit+SDS Adapter&35mm Chamfer bit.

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 Diameter 6-16 mm tile hole saw add wax lubricant inside. The wax will melt while drilling through porcelain tile and help cooling and Lubrication 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 The average life of the tile hole saw depends on several factors,including the type of aggregate and material, its thickness/hardness ,proper cooling and use 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

• Size Diamond drill bit--1/4" 5/16" 1" 1-3/8" 1-1/2" 2" 2-1/2" (6 8 25 35 38 50 65mm), diamond height 10mm, total length 60mm, 5/8-11 thread
• Wide Application of drill bit --Worked great for porcelain tile, ceramics, bathroom tile,marble granite,stone,masonry, brick with ease,Using water could prolong the lifetime
• Machine --For use on angle grinders