Introducing the SINOCOREDRILL Precision Reaming Shells, designed for efficiency in abrasive and fractured zones. Our reinforced PCD-enhanced shells offer superior durability, high precision, and a versatile design suitable for various drilling applications. With customizable weights, ISO9001 and CE certifications, and packaged conveniently as a 16-in-one set, they deliver exceptional performance. Elevate your drilling projects today! Visit our website for more details!