- Set of 2 NBB diamond drill bits, 6mm, ultra quality, with M14 connection for angle grinder - Specially designed for drilling hard porcelain, ceramic, tiles, granite, marble, and wall tiles - Allow drilling both dry and wet, adapting to different needs and working conditions - Manufactured with advanced diamond technology, they offer high efficiency and fast drilling in seconds - Robust and durable design, with low vibration and little noise for greater comfort and precision - Total length of 62mm and drilling depth of 35mm, ideal for most applications - Longer lifespan than galvanized drill bits, allowing more holes to be made with a single product - Easy installation and use, optimized for professionals and DIY enthusiasts seeking quality results