V-Groove Drill Bits for Stone Masonry Granite

These drill bits have a special serrated Carbide tip which start the hole fast and eliminate cracking. The V-Groove is perfect for kitchen and bath installations as well as partition and accessory installation on tile, marble and granite. These high quality drill bits are especially designed for: Tile Marble Granite Porcelain Ceramics Concrete Masonry Compare these drill bits to the Relton Groo-V Tip GRT bits. Groo-V Tip® and GRT® are registered trademarks of Relton Corporation. These bits are available in a variety of sizes and lengths from 1/4" to 1/2"