Calidad 8mm (5/16") Diamond Core Drill Bit "Needle D's 3.0"

"Needle D's 3.0" for Angle Grinders

8mm Diamond Hole Bits for high-speed hole-making and a long lifespan. The new standard for hole bits performance. 

Unleash the power of our Diamond Hole Bits, meticulously engineered for rapid hole creation and extraordinary lifespan. These 8mm (5/16") hexagonal bits, featuring a 5/16" shank, are constructed from sturdy, solid steel. They are the epitome of seamless hole-making prowess. Witness these bits' longevity, precision in cutting smaller holes, and absolute integrity.

Experience the Vacuum Brazed Diamond Technology in action: our bits are fortified with high-strength diamonds that make tile drilling a breeze. This technology shines particularly when drilling pristine holes through robust materials, such as porcelain floors, granite ceramics, glass mirrors, marble stone masonry, and bricks.

Great for various applications: from custom shower pans, and shower bases to shower walls, towel bars, and toilet paper hangers. 

• Diamond Coating: This enhances drilling speed significantly, giving you an edge in efficiency.
• Depth Mark: The thoughtful inclusion of a depth mark ensures meticulous precision for your unique projects
• Convenient Storage: Your purchase comes with a portable plastic storage case, enabling easy access and safekeeping
• Start Tip Technology: Our exact start tip minimizes bit walking, ensuring a smooth start to every drilling task.
• Pressure Relief: Perfectly suited to alleviate pressure on specific cuts for an impeccable finish.
• Dry Drilling Design: Each Diamond Drill Bit is integrated with a wax lubricant that liquifies during dry drilling, cooling the cutting surface. You may also introduce water as an additional cooling agent to further extend the life of the bit.
• Lifespan: 35+ holes