Precision-Crafted Porcelain Core Bit: Engineered with high-grade vacuum brazed diamond segments for superior cutting efficiency and extended lifespan. Ideal for dry drilling granite, stone, and ceramic tiles without water cooling.

Industrial-Grade Durability: 90mm optimized diameter delivers smooth, chip-free holes in hard materials. Perfect for professional construction, masonry, and DIY renovation projects.

Advanced Vacuum Brazing Technology: Ensures diamond grits remain firmly bonded even under extreme friction, reducing wear and tear. SDS-plus shank compatible for secure drill chuck attachment.

Multi-Surface Mastery: Effortlessly handles polished porcelain, glazed ceramics, and natural stone. No need for pilot holes or additional cooling, saving time on job sites.

Bulk Order Advantage: Wholesale-priced professional tooling with guaranteed lowest global rates. Stock up for large-scale contracting needs or resale opportunities.