High-Performance Core Bits with Zenesis Technology

The Max Aggressive Premium Black Core Bits are engineered with Zenesis Technology for faster drilling performance and extended tool life in demanding stone fabrication applications. Designed for thicker materials, the Premium Black Series provides durable, efficient drilling across granite, quartz, engineered stone, marble, and concrete.

Premium-grade diamond segments provide strong cutting performance, while vacuum-brazed protection on both the inner and outer core surfaces enhances durability and cutting efficiency. The 5/8"-11 female thread allows use with compatible angle grinders for professional shop and field applications.

• Zenesis Technology for faster drilling and extended tool life
• Premium-grade, strong diamond segments
• Designed for thicker stone applications
• Vacuum-brazed protection on inner and outer core surfaces
• Suitable for granite, quartz, engineered stone, marble, and concrete
• Suitable for wet or dry drilling
• 5/8"-11 female thread for angle grinder compatibility
• Maximum speed: 10,000 RPM
• Wide size range from 1/4" to 6"

Available Sizes & Part Numbers