• Highlight: MK Diamond MK Black Supreme wet core bit engineered for clean, chip-free 3/4" cores in porcelain tile, granite, marble, and natural stone.
• Best For: Plumbers, tile setters, and stone fabricators drilling faucet and fixture holes that demand a tight, accurate cut without halo damage.
• Expert Note: Use a steady stream of water as coolant and a low-RPM drill; the Supreme-grade diamond matrix is designed for wet operation and delivers significantly longer life than dry-cut alternatives.
