· 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 8 sizes:1/4", 5/16", 3/8", 1/2", 3/4", 1", 1-1/4", 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.

· Versatile 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: QHKZ10PCS
Material: Diamond
Drill Diameter: 1/4", 5/16", 3/8", 1/2", 3/4", 1", 1-1/4", 2"
Segment Height: 0.6 in / 15 mm
Bit Length: 2.95 in / 75 mm
Product Weight: 7.6 lbs / 3.4 kg

Package Content
8 x Hole Saws
1 x SDS Adaptor
1 x Finger Bit