· 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:3/4", 1-1/8", 1-3/8", 1-3", 2". It features a 0.8" finger bit, a hexagon shank adapter, and an M14 adapter. 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: QHKZ8PCS
Material: Diamond
Drill Diameter: 3/4", 1-1/8", 1-3/8", 1-3", 2"
Drill Diameter:19 / 28 / 35 / 45 / 51 mm
Segment Height: 0.6 in / 15 mm
Bit Length: 2.36 in / 75 mm
Product Weight: 8 lbs / 3.6 kg

Package Content
5 x Hole Saws
1 x Finger Bit
1 x M14 Adapter