450mm Diamond Drill Bit, (10 Pcs Hole Saw Set), Tile Hole Cutter, Diamond Saw (Solvent Tools for Glass, Porcelain, Ceramics, Granite Stone)

Available in 10 sizes (diameter) ----- Our tile hole saw set has 10 pieces in different sizes: 6mm, 8mm, 10mm, 14mm, 16mm, 18mm, 22mm, 35mm, 40mm, and 50mm. Suitable for your various needs. Rustless and Durable ----- The tile hole cutter is made of high-strength carbon steel with a smooth nickel-plated surface to extend its lifespan. The cutting piece should be at least six months to one year old before grinding.

Faster, cleaner, and smoother cutting ----- High-quality diamond-coated saw tip for improved speed and accuracy, resulting in a clean, precise cut and a smooth cut without broken edges in seconds.

Multi-purpose ----- Our diamond drill bit is suitable for drilling glass, slab bottles, jars, blocks, ceramic, porcelain, fiberglass, vitreous china, brick, and stone. (Especially for glass and tile)

Note ----- Please maintain a speed of 800-1000 RPM, continuously add water to keep the drill bit cool, and strictly prohibit dry drilling.