14mm 400 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic & Stone

The 14mm 400 Grit Diamond Chamfering Countersink Drill Bit (3mm Shank) is a fine-grit hole beveling, chamfering, and deburring tool engineered for tile, glass, ceramic, and stone. Featuring high-grade 400 grit electroplated diamond abrasive on a compact 3mm shank, this bit easily fits rotary tools, flex shafts, and drills to provide ultra-smooth, chip-free hole finishes, refined edge bevels, and pre-polished perimeters.

• Head Diameter: 14mm
• Grit: 400 Grit fine diamond for smooth, chip-free finishing
• Shank Diameter: 3.0mm standard rotary shank
• Bond Type: Electroplated diamond
• Applications: Fine edge chamfering, hole deburring, edge polishing, and beveling on ceramic tile, glass, porcelain, and stone

For best results and extended tool lifespan, use with water lubrication or coolant during drilling.