kwb Drill Bits & Parts Tile drill bit 610604 - KWB 500268, The kwb 500268 tile drill bit, with a diameter of 68 mm and an M14 connection, is designed for drilling in tiles and hard materials. This high-quality drill bit is perfect for professional tilers and DIY enthusiasts alike, ensuring precise and clean cuts. Typical applications include creating holes for plumbing installations or fitting electrical outlets in bathrooms and kitchens. kwb 500268 Tile Drill Bit 68mm M14 for angle Grinders and fast Drilling