This 3" diamond core drill bit is a powerful tool for drilling through concrete, cement, and brick. With a 1 1/4"-7 UNC thread size, it is compatible with a wide range of drilling machines. The model SDCBA125X400X76 is perfect for heavy-duty use in construction and industrial settings. The core drill bit is made by Another Amazing Product USA and is part of the Core Drills & Rigs, Drills & Hammers, Light Equipment & Tools, Business & Industrial categories. Its thread size is 1 1/4"-7 UNC, making it a reliable tool for drilling through dense materials. The model SDCBA125X400X76 comes in a convenient size of 76x400 and is an ideal choice for professionals who demand high-quality tools.