The DT CNMG-643-MEH-DMC20HT from Field Tool Supply is a high-performance cutting insert designed for turning applications. With a CNMG shape and a size of 643, this insert is ideal for machining a variety of materials, including steel and stainless steel. The DMC20HT coating enhances wear resistance and extends tool life, making it suitable for high-speed machining. This insert is compatible with a range of tool holders and is designed to provide excellent chip control and surface finish. Its robust construction ensures compliance with industry standards, making it a reliable choice for professionals in the machining industry.