Package Content: 2pcs diamond core drill bit sets; Diameter 10mm/3/8 inch, 5/8-11 connection, Total height 62MM, Max working depth 35mm, Diamond height 10MM Material Compatibility: Dry/wet drilling for porcelain tile marble stone masonry brick quartz ceramic normal stone, both in dry and wet conditions Compatible Machine: With 5/8-Inch-11 Thread, Used on angle grinder, very easy to operate; Notice: if you want to fit our hole saws on drills or other machine, you need an adapter, such as SDS,Hex, Round Plus Shank Features: High quality Diamond Grain provide fast and smooth drilling; The inside of the drill bit is filled with dense cooling wax for cooling the diamond bits, which provides superior heat dissipation and prolongs the life of the diamond core bit during heavy-duty applications How to use: To start begin at a 45-degree angle to create a groove in the material. Then, gradually bring the tool to an upright position and continue drilling in a circular motion. you will enjoy fast and smooth drilling with these Diamond drill bits

2pcs Dry Diamond Drill Bits Set, to provide fast and efficient drilling in a wide variety of materials, including ceramic porcelain tile, marble, granite, stone, masonry, brick, glass, quartz and stone.

Whether you're a professional tradesperson or a dedicated DIY enthusiast, these drill bits are an essential to your toolbox for numerous applications, from home renovations to commercial construction projects.

Features:

1. Dry/Wet Drilling Capability: The diamond drill bits allow for efficient drilling in both dry and wet conditions, suitable for various applications and environments.

2. High-Quality Diamond Grain: manufactured with premium diamond grains, ensuring fast and smooth drilling.

3. Optimal Dimensions: a diameter of 8mm (3/8"), total height of 62mm (2.44"), maximum working depth of 35mm (1.37"), and diamond height of 10mm (0.39").

4. Advanced Cooling Tech: To prevent overheating, the inside of each drill bit is filled with dense cooling wax.

5. Angle Grinder Compatibility: come with a 5/8-11 thread, easily attachable to most angle grinders.

User Tips:

1.Avoid forcing the drill. Let the drill bit do the work. Applying excessive pressure can cause breakage or reduce the lifespan of the drill bit.

2. Allow the bit to cool if you need multiple holes.