Why the Trade? Abracs Spear-Head Tile & Glass BitsCarbide-tipped drill bits for ceramic tile and glass, featuring a tungsten carbide spear point that lets you start holes precisely and drill without cracking delicate materials. The sharp spear-head design scores the hard glazed surface on contact, preventing the bit from skating awaycritical for clean holes in tiles or mirrors. These bits should be used at low speed with light pressure (and water lubrication if possible) for best results. They have a 1/4hex shank for quick changes in cordless drills, adding convenience when switching between tile bits and other bits. If the cutting tip dulls, it can be re-sharpened to extend the bits life. Abracs spear-point bits come in common small diameters (e.g., 5mm, 6mm, 8mm) and are perfect for jobs like drilling holes for bathroom fixtures, glass shelves, or mosaic tilesdelivering accurate, smooth holes with minimal chipping on fragile surfaces. Key Feature: Designed for dependa