CORTOOL Dry Diamond Drill Bits for Porcelain Tile Ceramic Glass Marble, 5PCS 1/4", 5/16", 3/8", 1/2"…See more

The Cortool Diamond Drill Bits Kit is a must-have for any DIY enthusiast or professional contractor looking to drill through hard materials with ease.

With a diameter range of 1/4 inch to 1/2 inch, this kit can handle even the toughest jobs.

The integrated wax lubricant inside each bit melts while drilling, providing a cooling effect that prolongs the life of the bit and reduces wear and tear on your machine.

Plus, the round shank design ensures compatibility with most machines, including hand drills, angle grinders, and bench drills.

Don't let hard materials stand in the way of your project - get the Cortool Diamond Drill Bits Kit today!