Diamond Drill Bit, (10 Pcs Hole Saw Set), Tile Hole Cutter, Diamond Saw (Solvent Tools for Glass, Porcelain, Ceramic, Granite Stone) 6-50mm

General description The Diamond Drill Bit set includes 10 pieces of hole saws in various sizes, specifically designed for cutting through materials such as glass, porcelain, ceramic, and granite stone. This versatile set caters to different drilling needs with sizes ranging from 6mm to 50mm. Technical specifications Sizes: 6mm, 8mm, 10mm, 14mm, 16mm, 18mm, 22mm, 35mm, 40mm, 50mm Material: High strength carbon steel with a smooth nickel-plated surface Diamond coating for enhanced cutting performance Usage For optimal performance, maintain a drilling speed of 800-1000 RPM and continuously add water to keep the drill bit cool and effective. Avoid dry drilling to ensure longevity and efficiency. Other information The cutting piece is designed to last at least six months to one year before requiring grinding.