ITM V-GROOVE - VG-4002B - 3/16" X 4" - 25 Pack - Porcelain Tile Drill Bits - ...

Durable Design for Longevity - Built to drill 20+ holes in Grade 5 porcelain tiles, these bits withstand the toughest materials, including porcelain, ceramic, marble, stone, and glass. Efficient Drilling Performance - These ceramic drill bits’ optimized design minimizes chipping and cracking, making them ideal for professional and DIY projects alike.

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