· 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 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 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, 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 - Bit Size 20/27/35/55/68mm
Model: QHKZ7PCS
Material: Diamond
Drill Diameter: 4/5", 1", 1-3/8", 2-1/5", 2-3/5"
Diamond Length: 0.6 in / 15 mm
Bit Length: 2.36 in / 60 mm
Product Weight: 4 lbs / 2 kg
Connect: 5/8"-11 Universal Thread
Usage: Dry/Wet Working

Specifications - Bit Size 25/35/45/51/65/76mm
Model: QHKZ7PCS
Material: Diamond
Drill diameter: 3.5 in/88.9mm
Segment Height: 0.6 in/15 mm
Bit Length: 2.95 in/75 mm
Max Drilling Depth: 1.97 in/50 mm
Product Weight: 4.78 lbs/2.17 kg

Package Content
5 x Hole Saw
1 x Saw Blade
1 x Storage Case