VEVOR Diamond Drill Bits 7PCS Diamond Hole Saw 20/27/35/55/68mmTile Hole Saw Kit Vacuum Brazed Diamond Drill Bit 0.59in/15mm Segment Tile Hole Saw w Storage Case for Tile Ceramic Porcelain Marble

• Efficient & Smooth Cutting: The glass drill bit is made of premium grade diamond, delivers more effective performance than a traditional carbide or bi-metal hole saw. Vacuum brazing technology makes it highly thermostable and durable to use.
• Complete Tool Set: Our porcelain drill bit includes 5 sizes:4/5″，1″, 1-3/8″，2-1/5″, 2-3/5″. It features 5-inch saw blade. Having these types available will help you cover almost all of your applications. The drill set also comes with a storage case for your convenient carrying.
• Humanized Structure: This hole saw drill bit set adopts 5/8″-11 universal thread, suits for angle grinder. The design of U-shaped chip grooves provides longer working life, fast and smooth drilling.
• Simple Operation: The diamond hole saw drill bit set can be used both dry and wet, meet your various needs, recommended adding some water to prolong the service life.
• Wide Application: The diamond drill bit set ensures a clean and accurate hole on porcelain tile, granite, marble, and stone. It also applies to masonry, brick, and all similar materials.