68mm Diamond Hole Saw, Diamond Drill Bit with Center Guide, Tile Hole Saw with Diamond Surface Coating for Cutting Glass, Tile, Ceramic, Marble, Limestone

General description The 68mm Diamond Hole Saw is designed for precision cutting in various materials such as glass, tile, ceramic, marble, and limestone. Featuring a diamond surface coating and a center guide, this drill bit ensures accurate positioning and smooth cuts without broken edges. Technical specifications Diameter: 68mm Material: Industrial-grade high-strength carbon steel Surface treatment: Nickel-plated for corrosion and rust resistance Coating: Thick and uniform diamond surface coating for improved wear resistance Compatibility and accessories Compatible with cordless drills, lithium drills, and bench drills Installation Use the pilot drill for accurate positioning to prevent slipping or jamming during drilling Usage Ideal for cutting precise holes in glass, ceramic, porcelain, tile, limestone, slate, marble, pumice, and fiberglass Other information Chip removal design with clearance holes for efficient cooling and debris removal Low cutting resistance for stable drilling and high-precision results