This diamond beveling chamfer bit can bevelorchamfercrated rough holeson ,granite, marble, stones,ceramic and porcelain tiles. And is also suitable for easily creating rounded side indentations necessary on accomodate pipes or electric wire lines. Vacuum-brazed processing, high diamond concentration can provides faster cutting speed and longer working lifespan. Features: Vacuum-brazed processing, high diamond concentration can provides faster cutting speed and longer working lifespan. Strict production process to ensure the low size tolerance, and outstanding chamfering performance. This diamond beveling chamfer bit can bevelorchamfercrated rough holeson ,granite, marble, stones,ceramic and porcelain tiles. And is also suitable for easily creating rounded side indentations necessary on accomodate pipes or electric wire lines. Very useful to improve the surface perfection of exposed holes, it can bring a smooth and beautiful hole. Specifications: Name: Diamond Chamfer Bit Material: diamond Type: 48mm diameter M14 thread, 48mm diameter 5/8-11 thread (optional) Item size: 50 * 48 * 48mm / 1.97 * 1.89 * 1.89in Package size: 52 * 52 * 52mm / 2.05 * 2.05 * 2.05in Package weight: 200g / 7.05ounce Packing List: 1 * Diamond Chamfer Bit