68mm Diamond Hole Saw with Centering Guide Bit, Diamond Tile Hole Saw, Diamond Drill Bit for Glass, Tile, Ceramic, Marble, Granite

Premium Quality: Our glass hole saw with positioning pilot bit is made of high-quality diamond, a solid hardened steel body, and the surface is covered with a nickel plating that ensures high hardness, rust protection, corrosion protection, and long-lasting strength.
Precise positioning pilot bit design: Each tile hole saw comes with a removable positioning pilot bit. The cutting head of the pilot drill bit is also diamond-coated, making it sharper and more durable, and effectively fixing the hole position of the hole saw for quick hole drilling.
Dimensions: Cutting diameter: 68 mm - Cutting depth: 30 mm - Total length: 70 mm - Triangular shank diameter: 9.5 mm.
Clean and crisp holes: These core drilling bits with thicker diamond coating make the flute edge sharper and can drill precise, flat-bottomed holes without chipping on smooth surfaces such as ceramic tile, ceramic, glass, marble, granite, etc. Terrazzo. Cutting depth: 30 mm.
Easy to use: Operation is simple and does not require the use of other special guide tools. Use the tile hole saw installed with the positioning bit to position the hole, remove the positioning bit after positioning, and then drill the hole directly with the tile hole saw. Note: Remember to add water or coolant during the cutting process to extend the life of the diamond hole saw.