INGCO DCB581028 Diamond Core BitsIntroducing the INGCO DCB581028 Diamond Core Bits, crafted for precise and efficient drilling operations, especially in wet conditions. With a diameter of 102mm and a length of 450mm, these core bits are engineered for accuracy and depth. They feature a compatible adaptor size of M22 x 2. 5, ensuring easy integration with various drilling machines. Ideal for professionals and DIY enthusiasts alike, these diamond core bits deliver exceptional