Dapetz® Diamond Hole Saw 35mm - Diamond Drill Bit, Brazed Core Cutter for Cutting Tile, Porcelain, Glass, Marble, Ceramic, Granite, and Stone

PREMIUM QUALITY: These 35mm diamond drill bits are constructed from durable diamond and carbon steel, offering excellent wear resistance and rust protection for long-lasting performance. INNOVATIVE DESIGN: Featuring side slots that facilitate cooling water entry and efficient debris removal from the borehole, ensuring smoother and faster drilling. SMOOTH CUTTING: The high-quality diamond coating ensures precise, smooth cuts with no rough edges, making the drilling process easier and more efficient. VERSATILE APPLICATIONS: These bits are suitable for drilling ceramic, marble, stone, glass, and other hard materials. IMPORTANT USAGE TIP: To prevent damage, maintain a drilling speed of 800-1000 RPM and continuously add water to keep the bit cool. Dry drilling is strictly prohibited.