Premium Vacuum Brazed Diamond Core Drill Bit for Porcelain & Tile
Ultra-strong vacuum brazed diamond grit ensures 10X longer lifespan vs. electroplated bits. Industrial-grade steel body with precision laser welding resists bending & wobbling. Perfect for wet/dry drilling on porcelain, ceramic tiles, marble, granite, and glass. No chipping or cracking thanks to segmented rim design for heat dissipation. Exclusive diamond concentration formula delivers 30% faster cutting speed. Compatible with standard drills (3/8"–1/2" shank) for effortless installation. Wholesale bulk pricing available – factory direct with no middlemen. Custom OEM/ODM orders accepted for large-volume buyers.