Introducing the VEVOR Core Drill Bit, designed for precision and durability. With a 4-inch diameter and a generous 14-inch drilling depth, this tool is perfect for professionals tackling tough materials. Its 1-1/4 in-7 internal thread ensures compatibility with most drilling machines, making it versatile for various applications. Crafted using high-precision welding technology, this drill bit promises exceptional performance and longevity. The sleek black finish adds a touch of style while enhancing its robustness. Whether you're working on construction or renovation projects, the VEVOR Core Drill Bit is your go-to choice for efficiency and reliability.