· 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", 1-3/8", 1-1/2", 2", 2-3/5". 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" - 2-3/5"
Segment Height: 0.6 in / 15 mm
Max Working Depth: 13.7 / 19.7 in (35 / 50 mm)
Product Weight: 6.3 lbs / 2.7 kg

Package Content
6 x Hole Saws
1 x Saw Blade