· 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 6 sizes:1/4", 5/16", 3/8", 1", 1-3/8", 2". It features a 5-inch saw blade. Having these types available will help you cover almost all of your applications. The drill set also comes with a blade for your convenient operation.

· 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, to 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.

Specifications
Model: QHKZ6PCS
Material: Diamond
Drill Diameter: 1/4",5/16",3/8",1",1-3/8",2"
Segment Height: 0.6 in/15 mm
Max Working Depth: 13.7/19.7in(35/50mm)
Product Weight: 6lbs/2.7kg

Package Content
6 x Hole Saws
1 x Saw Blade